Vulnerability-Lookup

BDU:2019-03917 (CVE-2019-3857)

Vulnerability from fstec – Published: 2019-11-06 – Updated: 2021-01-14 – View on bdu.fstec.ru Fixed

Title

Уязвимость команды SSH_MSG_CHANNEL_REQUEST библиотеки libssh2, позволяющая нарушителю выполнить произвольный код

Summary

Уязвимость команды SSH_MSG_CHANNEL_REQUEST библиотеки libssh2 связана с записью данных за границами буфера. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, выполнить произвольный код путем подключения к SSH-серверу

Severity

9.3 (High) CVSS 2.0


                      
                        AV:N/AC:M/Au:N/C:C/I:C/A:C

8.8 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-190 - Целочисленное переполнение или циклический сдвиг
CWE-787 - Запись за границами буфера

Aliases

CVE-2019-3857

References

17 references

URL
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
https://access.redhat.com/errata/RHSA-2019:0679
https://access.redhat.com/errata/RHSA-2019:1175
https://access.redhat.com/errata/RHSA-2019:1652
https://access.redhat.com/errata/RHSA-2019:1791
https://access.redhat.com/errata/RHSA-2019:1943
https://access.redhat.com/errata/RHSA-2019:2399
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857
https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://seclists.org/bugtraq/2019/Apr/25
https://security.netapp.com/advisory/ntap-20190327-0005/
https://www.debian.org/security/2019/dsa-4431
https://www.libssh2.org/CVE-2019-3857.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://wiki.astralinux.ru/astra-linux-se15-bulletin-20201201SE15

Impacted products

6 products from 6 vendors

Vendors

Red Hat, Inc., ООО «РусБИТех-Астра», Novell Inc., Fedora Project, Сообщество свободного программного обеспечения

Products

Red Hat Enterprise Linux, Astra Linux Special Edition (запись в едином реестре российских программ №369), OpenSUSE Leap, Fedora, libssh2, Debian GNU/Linux

Versions

Server 6 (Red Hat Enterprise Linux), Desktop 6 (Red Hat Enterprise Linux), Workstation 6 (Red Hat Enterprise Linux), Desktop 7 (Red Hat Enterprise Linux), Workstation 7 (Red Hat Enterprise Linux), Server 7 (Red Hat Enterprise Linux), 1.5 «Смоленск» (Astra Linux Special Edition), 42.3 (OpenSUSE Leap), 28 (Fedora), от 1.2.8 до 1.8.1 (libssh2), Server TUS 7.6 (Red Hat Enterprise Linux), Server - AUS 7.6 (Red Hat Enterprise Linux), 15.0 (OpenSUSE Leap), for Scientific Computing 7 (Red Hat Enterprise Linux), for Power, little endian - Extended Update Supp 7.5 (Red Hat Enterprise Linux), little endian 7 (Red Hat Enterprise Linux), big endian - Extended Update Support 7.5 (Red Hat Enterprise Linux), for IBM z Systems - Extended Update Support 7.5 (Red Hat Enterprise Linux), for IBM z Systems 7 (Red Hat Enterprise Linux), for IBM System z (Structure A) 7 (Red Hat Enterprise Linux), for ARM 64 7 (Red Hat Enterprise Linux), 8 (Debian GNU/Linux), 7.5 Extended Update Support (Red Hat Enterprise Linux), big endian 7 (Red Hat Enterprise Linux), for Power 9.7 (Red Hat Enterprise Linux), EUS Computer Node 7.6 (Red Hat Enterprise Linux), big endian - Extended Update Support 7.6 (Red Hat Enterprise Linux), little endian - Extended Update Support 7.6 (Red Hat Enterprise Linux), for IBM z Systems - Extended Update Support 7.6 (Red Hat Enterprise Linux), Server TUS 7.3 (Red Hat Enterprise Linux), Server AUS 7.3 (Red Hat Enterprise Linux), Server- Update Services for SAP Solutions 7.3 (Red Hat Enterprise Linux), Server- Update Services for SAP Solutions 7.4 (Red Hat Enterprise Linux), Server- Update Services for SAP Solutions 7.6 (Red Hat Enterprise Linux)

Product types

Operating system, Application software

Platforms

Red Hat, Inc. Red Hat Enterprise Linux Server 6, Inc. Red Hat Enterprise Linux Desktop 6, Inc. Red Hat Enterprise Linux Workstation 6, Inc. Red Hat Enterprise Linux Desktop 7, Inc. Red Hat Enterprise Linux Workstation 7, Inc. Red Hat Enterprise Linux Server 7, ООО «РусБИТех-Астра» Astra Linux Special Edition 1.5 «Смоленск» (запись в едином реестре российских программ №369), Novell Inc. OpenSUSE Leap 42.3, Fedora Project Fedora 28, Inc. Red Hat Enterprise Linux Server TUS 7.6, Inc. Red Hat Enterprise Linux Server - AUS 7.6, Novell Inc. OpenSUSE Leap 15.0, Inc. Red Hat Enterprise Linux for Scientific Computing 7, Inc. Red Hat Enterprise Linux for Power, little endian - Extended Update Supp 7.5, little endian 7, big endian - Extended Update Support 7.5, Inc. Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5, Inc. Red Hat Enterprise Linux for IBM z Systems 7, Inc. Red Hat Enterprise Linux for IBM System z (Structure A) 7, Inc. Red Hat Enterprise Linux for ARM 64 7, Сообщество свободного программного обеспечения Debian GNU/Linux 8, Inc. Red Hat Enterprise Linux 7.5 Extended Update Support, big endian 7, Inc. Red Hat Enterprise Linux for Power 9.7, Inc. Red Hat Enterprise Linux EUS Computer Node 7.6, big endian - Extended Update Support 7.6, little endian - Extended Update Support 7.6, Inc. Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6, Inc. Red Hat Enterprise Linux Server TUS 7.3, Inc. Red Hat Enterprise Linux Server AUS 7.3, Inc. Red Hat Enterprise Linux Server- Update Services for SAP Solutions 7.3, Inc. Red Hat Enterprise Linux Server- Update Services for SAP Solutions 7.4, Inc. Red Hat Enterprise Linux Server- Update Services for SAP Solutions 7.6

Mitigations

Использование рекомендаций: Для libssh2: https://www.libssh2.org/CVE-2019-3857.html Для программных продуктов Novell Inc.: http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html Для программных продуктов Red Hat Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857 Для Debian GNU/Linux: https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html Для программных продуктов Fedora Project: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ Для Astra Linux: Обновление программного обеспечения (пакета libssh2) до 1.7.0-1+deb9u1 или более поздней версии

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Red Hat, Inc., \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb, Novell Inc., Fedora Project, \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "Server 6 (Red Hat Enterprise Linux), Desktop 6 (Red Hat Enterprise Linux), Workstation 6 (Red Hat Enterprise Linux), Desktop 7 (Red Hat Enterprise Linux), Workstation 7 (Red Hat Enterprise Linux), Server 7 (Red Hat Enterprise Linux), 1.5 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb (Astra Linux Special Edition), 42.3 (OpenSUSE Leap), 28 (Fedora), \u043e\u0442 1.2.8 \u0434\u043e 1.8.1 (libssh2), Server TUS 7.6 (Red Hat Enterprise Linux), Server - AUS 7.6 (Red Hat Enterprise Linux), 15.0 (OpenSUSE Leap), for Scientific Computing 7 (Red Hat Enterprise Linux), for Power, little endian - Extended Update Supp 7.5 (Red Hat Enterprise Linux), for Power, little endian 7 (Red Hat Enterprise Linux), for Power, big endian - Extended Update Support 7.5 (Red Hat Enterprise Linux), for IBM z Systems - Extended Update Support 7.5 (Red Hat Enterprise Linux), for IBM z Systems 7 (Red Hat Enterprise Linux), for IBM System z (Structure A) 7 (Red Hat Enterprise Linux), for ARM 64 7 (Red Hat Enterprise Linux), 8 (Debian GNU/Linux), 7.5 Extended Update Support (Red Hat Enterprise Linux), for Power, big endian 7 (Red Hat Enterprise Linux), for Power 9.7 (Red Hat Enterprise Linux), EUS Computer Node 7.6 (Red Hat Enterprise Linux), for Power, big endian - Extended Update Support 7.6 (Red Hat Enterprise Linux), for Power, little endian - Extended Update Support 7.6 (Red Hat Enterprise Linux), for IBM z Systems - Extended Update Support 7.6 (Red Hat Enterprise Linux), Server TUS 7.3 (Red Hat Enterprise Linux), Server AUS 7.3 (Red Hat Enterprise Linux), Server- Update Services for SAP Solutions 7.3 (Red Hat Enterprise Linux), Server- Update Services for SAP Solutions 7.4 (Red Hat Enterprise Linux), Server- Update Services for SAP Solutions 7.6 (Red Hat Enterprise Linux)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f libssh2:\nhttps://www.libssh2.org/CVE-2019-3857.html\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Novell Inc.:\nhttp://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html \nhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857 \n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.html \n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Fedora Project:\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/\n\n\u0414\u043b\u044f Astra Linux:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f (\u043f\u0430\u043a\u0435\u0442\u0430 libssh2) \u0434\u043e 1.7.0-1+deb9u1 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "03.12.2018",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "14.01.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "06.11.2019",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2019-03917",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2019-3857",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Red Hat Enterprise Linux, Astra Linux Special Edition (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), OpenSUSE Leap, Fedora, libssh2, Debian GNU/Linux",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Red Hat, Inc. Red Hat Enterprise Linux Server 6 , Red Hat, Inc. Red Hat Enterprise Linux Desktop 6 , Red Hat, Inc. Red Hat Enterprise Linux Workstation 6 , Red Hat, Inc. Red Hat Enterprise Linux Desktop 7 , Red Hat, Inc. Red Hat Enterprise Linux Workstation 7 , Red Hat, Inc. Red Hat Enterprise Linux Server 7 , \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.5 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), Novell Inc. OpenSUSE Leap 42.3 , Fedora Project Fedora 28 , Red Hat, Inc. Red Hat Enterprise Linux Server TUS 7.6 , Red Hat, Inc. Red Hat Enterprise Linux Server - AUS 7.6 , Novell Inc. OpenSUSE Leap 15.0 , Red Hat, Inc. Red Hat Enterprise Linux for Scientific Computing 7 , Red Hat, Inc. Red Hat Enterprise Linux for Power, little endian - Extended Update Supp 7.5 , Red Hat, Inc. Red Hat Enterprise Linux for Power, little endian 7 , Red Hat, Inc. Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 , Red Hat, Inc. Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 , Red Hat, Inc. Red Hat Enterprise Linux for IBM z Systems 7 , Red Hat, Inc. Red Hat Enterprise Linux for IBM System z (Structure A) 7 , Red Hat, Inc. Red Hat Enterprise Linux for ARM 64 7 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 8 , Red Hat, Inc. Red Hat Enterprise Linux 7.5 Extended Update Support , Red Hat, Inc. Red Hat Enterprise Linux for Power, big endian 7 , Red Hat, Inc. Red Hat Enterprise Linux for Power 9.7 , Red Hat, Inc. Red Hat Enterprise Linux EUS Computer Node 7.6 , Red Hat, Inc. Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 , Red Hat, Inc. Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 , Red Hat, Inc. Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 , Red Hat, Inc. Red Hat Enterprise Linux Server TUS 7.3 , Red Hat, Inc. Red Hat Enterprise Linux Server AUS 7.3 , Red Hat, Inc. Red Hat Enterprise Linux Server- Update Services for SAP Solutions 7.3 , Red Hat, Inc. Red Hat Enterprise Linux Server- Update Services for SAP Solutions 7.4 , Red Hat, Inc. Red Hat Enterprise Linux Server- Update Services for SAP Solutions 7.6 ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u0430\u043d\u0434\u044b SSH_MSG_CHANNEL_REQUEST \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libssh2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0426\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u043e\u0435 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0441\u0434\u0432\u0438\u0433 (CWE-190), \u0417\u0430\u043f\u0438\u0441\u044c \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 (CWE-787)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u0430\u043d\u0434\u044b SSH_MSG_CHANNEL_REQUEST \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libssh2 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0437\u0430\u043f\u0438\u0441\u044c\u044e \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430  \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043f\u0443\u0442\u0435\u043c \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a SSH-\u0441\u0435\u0440\u0432\u0435\u0440\u0443",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html \nhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html \nhttps://access.redhat.com/errata/RHSA-2019:0679 \nhttps://access.redhat.com/errata/RHSA-2019:1175 \nhttps://access.redhat.com/errata/RHSA-2019:1652 \nhttps://access.redhat.com/errata/RHSA-2019:1791 \nhttps://access.redhat.com/errata/RHSA-2019:1943 \nhttps://access.redhat.com/errata/RHSA-2019:2399 \nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857 \nhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.html \nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/ \nhttps://seclists.org/bugtraq/2019/Apr/25 \nhttps://security.netapp.com/advisory/ntap-20190327-0005/ \nhttps://www.debian.org/security/2019/dsa-4431 \nhttps://www.libssh2.org/CVE-2019-3857.html \nhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html\nhttps://wiki.astralinux.ru/astra-linux-se15-bulletin-20201201SE15",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-190, CWE-787",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9,3)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,8)"
}

CVE-2019-3857 (GCVE-0-2019-3857)

Vulnerability from cvelistv5 – Published: 2019-03-25 18:30 – Updated: 2025-04-23 19:48

Summary

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

Severity

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:20 UTC

CWE

Assigner

redhat redhat root

References

16 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://www.libssh2.org/CVE-2019-3857.html	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2019032…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:0679	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://www.debian.org/security/2019/dsa-4431	vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Apr/25	mailing-listx_refsource_BUGTRAQ
https://access.redhat.com/errata/RHSA-2019:1175	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1652	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1791	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1943	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2399	vendor-advisoryx_refsource_REDHAT
https://www.oracle.com/technetwork/security-advis…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
The libssh2 Project	libssh2	Affected: 1.8.1

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.