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CVE-2019-9895 (GCVE-0-2019-9895)
Vulnerability from cvelistv5 – Published: 2019-03-21 02:31 – Updated: 2024-08-04 22:01
VLAI
EPSS
Summary
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.
Severity
9.8 (Critical)
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://www.chiark.greenend.org.uk/~sgtatham/putt… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://seclists.org/bugtraq/2019/Apr/6 | mailing-listx_refsource_BUGTRAQ |
| https://security.netapp.com/advisory/ntap-2019040… | x_refsource_CONFIRM |
| https://www.debian.org/security/2019/dsa-4423 | vendor-advisoryx_refsource_DEBIAN |
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Title
Уязвимость средства криптографической защиты PuTTY, связанная с выходом операции за границы буфера в памяти, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации
Description
Уязвимость средства криптографической защиты PuTTY связана с выходом операции за границы буфера в памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации
Severity
Vendor
Canonical Ltd., Сообщество свободного программного обеспечения, Fedora Project, Novell Inc., MIT
Software Name
Ubuntu, Debian GNU/Linux, Fedora, OpenSUSE Leap, PuTTY
Software Version
16.04 LTS (Ubuntu), 9 (Debian GNU/Linux), 28 (Fedora), 29 (Fedora), 15.0 (OpenSUSE Leap), 8 (Debian GNU/Linux), до 0.71 (PuTTY)
Possible Mitigations
Использование рекомендаций:
Для Putty:
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
Для программных продуктов Novell Inc.:
https://www.suse.com/security/cve/CVE-2019-9895/
Для Fedora Project:
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
Для Debian GNU/Linux:
https://www.debian.org/security/2019/dsa-4423
Для Ubuntu:
https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9895.html
Reference
https://www.debian.org/security/2019/dsa-4423
https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
https://www.suse.com/security/cve/CVE-2019-9895/
https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9895.html
CWE
CWE-119
{
"CVSS 2.0": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/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,
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"\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "21.03.2019",
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"\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": "Ubuntu, Debian GNU/Linux, Fedora, OpenSUSE Leap, PuTTY",
"\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": "Canonical Ltd. Ubuntu 16.04 LTS , \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 9 , Fedora Project Fedora 28 , Fedora Project Fedora 29 , Novell Inc. OpenSUSE Leap 15.0 , \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 ",
"\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 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0437\u0430\u0449\u0438\u0442\u044b PuTTY, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u0432\u044b\u0445\u043e\u0434\u043e\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
"\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": "\u0412\u044b\u0445\u043e\u0434 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (CWE-119)",
"\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 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0437\u0430\u0449\u0438\u0442\u044b PuTTY \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0432\u044b\u0445\u043e\u0434\u043e\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438. \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\u0435\u043d\u043d\u043e, \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438",
"\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": "https://www.debian.org/security/2019/dsa-4423\nhttps://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/\nhttps://www.suse.com/security/cve/CVE-2019-9895/\nhttps://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9895.html",
"\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\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u0437\u0430\u0449\u0438\u0442\u044b",
"\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-119",
"\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": "\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\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 10)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\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 9,8)"
}
CERTFR-2019-AVI-122
Vulnerability from certfr_avis - Published: 2019-03-22 - Updated: 2019-03-22
De multiples vulnérabilités ont été découvertes dans PuTTY. Certaines d'entre elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur, une exécution de code arbitraire et un déni de service.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneReferences
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "PuTTY toutes versions ant\u00e9rieures \u00e0 0.71",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2019-9898",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9898"
},
{
"name": "CVE-2019-9897",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9897"
},
{
"name": "CVE-2019-9894",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9894"
},
{
"name": "CVE-2019-9895",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9895"
},
{
"name": "CVE-2019-9896",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9896"
}
],
"initial_release_date": "2019-03-22T00:00:00",
"last_revision_date": "2019-03-22T00:00:00",
"links": [],
"reference": "CERTFR-2019-AVI-122",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2019-03-22T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans PuTTY. Certaines\nd\u0027entre elles permettent \u00e0 un attaquant de provoquer un probl\u00e8me de\ns\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur, une ex\u00e9cution de code arbitraire et\nun d\u00e9ni de service.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans PuTTY",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 PuTTY 0.71 du 16 mars 2019",
"url": "https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/"
}
]
}
Title
PuTTY缓冲区溢出漏洞
Description
PuTTY是Simon Tatham软件开发者的一套免费的Telnet、Rlogin和SSH客户端软件。该软件主要用于对Linux系统进行远程管理。
PuTTY(Unix)0.71之前版本中服务器到客户端的转发过程存在缓冲区溢出漏洞。远程攻击者可利用该漏洞执行代码或造成拒绝服务。
Severity
高
Patch Name
PuTTY缓冲区溢出漏洞的补丁
Patch Description
PuTTY是Simon Tatham软件开发者的一套免费的Telnet、Rlogin和SSH客户端软件。该软件主要用于对Linux系统进行远程管理。
PuTTY(Unix)0.71之前版本中服务器到客户端的转发过程存在缓冲区溢出漏洞。远程攻击者可利用该漏洞执行代码或造成拒绝服务。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
厂商已发布漏洞修复程序,请及时关注更新: https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
Reference
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9895
Impacted products
| Name | putty putty <0.71 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2019-9895"
}
},
"description": "PuTTY\u662fSimon Tatham\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u5957\u514d\u8d39\u7684Telnet\u3001Rlogin\u548cSSH\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u4e3b\u8981\u7528\u4e8e\u5bf9Linux\u7cfb\u7edf\u8fdb\u884c\u8fdc\u7a0b\u7ba1\u7406\u3002\n\nPuTTY\uff08Unix\uff090.71\u4e4b\u524d\u7248\u672c\u4e2d\u670d\u52a1\u5668\u5230\u5ba2\u6237\u7aef\u7684\u8f6c\u53d1\u8fc7\u7a0b\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
"discovererName": "unKnow",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2019-12522",
"openTime": "2019-04-28",
"patchDescription": "PuTTY\u662fSimon Tatham\u8f6f\u4ef6\u5f00\u53d1\u8005\u7684\u4e00\u5957\u514d\u8d39\u7684Telnet\u3001Rlogin\u548cSSH\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u4e3b\u8981\u7528\u4e8e\u5bf9Linux\u7cfb\u7edf\u8fdb\u884c\u8fdc\u7a0b\u7ba1\u7406\u3002\r\n\r\nPuTTY\uff08Unix\uff090.71\u4e4b\u524d\u7248\u672c\u4e2d\u670d\u52a1\u5668\u5230\u5ba2\u6237\u7aef\u7684\u8f6c\u53d1\u8fc7\u7a0b\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "PuTTY\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "putty putty \u003c0.71"
},
"referenceLink": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9895",
"serverity": "\u9ad8",
"submitTime": "2019-03-21",
"title": "PuTTY\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}
FKIE_CVE-2019-9895
Vulnerability from fkie_nvd - Published: 2019-03-21 16:01 - Updated: 2024-11-21 04:52
Severity
Summary
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| putty | putty | * | |
| opengroup | unix | - | |
| fedoraproject | fedora | 28 | |
| fedoraproject | fedora | 29 |
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GHSA-CGQ7-VH72-WC5F
Vulnerability from github – Published: 2022-05-14 01:12 – Updated: 2022-05-14 01:12
VLAI
Details
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.
Severity
9.8 (Critical)
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GSD-2019-9895
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.
Aliases
Aliases
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OPENSUSE-SU-2019:1113-1
Vulnerability from csaf_opensuse - Published: 2019-04-02 11:03 - Updated: 2019-04-02 11:03Summary
Security update for putty
Severity
Moderate
Notes
Title of the patch: Security update for putty
Description of the patch: This update for putty fixes the following issues:
Update to new upstream release 0.71 [boo#1129633]
* CVE-2019-9894: Fixed a remotely triggerable memory overwrite in RSA key
exchange, which can occur before host key verification
potential recycling of random numbers used in cryptography.
* CVE-2019-9895: Fixed a remotely triggerable buffer overflow in any kind of
server-to-client forwarding.
* CVE-2019-9897: Fixed multiple denial-of-service attacks that can be triggered
by writing to the terminal.
* CVE-2019-9898: Fixed potential recycling of random numbers used in cryptography
* CVE-2019-9896 (Windows only): Fixed hijacking by a malicious help file in the same directory as the executable
* Major rewrite of the crypto code to remove cache and timing
side channels.
Patchnames: openSUSE-2019-1113
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.0:putty-0.71-lp150.9.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
9.8 (Critical)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.0:putty-0.71-lp150.9.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.8 (High)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.0:putty-0.71-lp150.9.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.0:putty-0.71-lp150.9.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
9.8 (Critical)
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Leap 15.0:putty-0.71-lp150.9.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
References
20 references
{
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OPENSUSE-SU-2019:1123-1
Vulnerability from csaf_opensuse - Published: 2019-04-02 13:58 - Updated: 2019-04-02 13:58Summary
Security update for putty
Severity
Moderate
Notes
Title of the patch: Security update for putty
Description of the patch: This update for putty fixes the following issues:
Update to new upstream release 0.71 [boo#1129633]
* CVE-2019-9894: Fixed a remotely triggerable memory overwrite in RSA key
exchange, which can occur before host key verification
potential recycling of random numbers used in cryptography.
* CVE-2019-9895: Fixed a remotely triggerable buffer overflow in any kind of
server-to-client forwarding.
* CVE-2019-9897: Fixed multiple denial-of-service attacks that can be triggered
by writing to the terminal.
* CVE-2019-9898: Fixed potential recycling of random numbers used in cryptography
* CVE-2019-9896 (Windows only): Fixed hijacking by a malicious help file in the same directory as the executable
* Major rewrite of the crypto code to remove cache and timing
side channels.
This update was imported from the openSUSE:Leap:15.0:Update update project.
Patchnames: openSUSE-2019-1123
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
9.8 (Critical)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.8 (High)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
9.8 (Critical)
Affected products
Recommended
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Package Hub 15:putty-0.71-bp150.4.3.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
References
20 references
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"cve": "CVE-2019-9894",
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{
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"text": "https://www.suse.com/security/cve/CVE-2019-9894"
}
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{
"category": "general",
"text": "A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.",
"title": "CVE description"
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}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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