OPENSUSE-SU-2020:1056-1

Vulnerability from csaf_opensuse - Published: 2020-07-24 12:20 - Updated: 2026-09-20 19:09
Summary
Security update for LibVNCServer
Severity
Important
Notes
Title of the patch: Security update for LibVNCServer
Description of the patch: This update for LibVNCServer fixes the following issues: - security update - added patches fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak + LibVNCServer-CVE-2018-21247.patch fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock() + LibVNCServer-CVE-2019-20839.patch fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service + LibVNCServer-CVE-2019-20840.patch fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c + LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c + LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. + LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. + LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c + LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings. + LibVNCServer-CVE-2020-14402,14403,14404.patch fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite This update was imported from the SUSE:SLE-15:Update update project.
Patchnames: openSUSE-2020-1056
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2017-18922
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 15.2:LibVNCServer-devel-0:0.9.10-lp152.9.4.2.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:LibVNCServer-devel-0:0.9.10-lp152.9.4.2.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:libvncclient0-0:0.9.10-lp152.9.4.2.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:libvncclient0-0:0.9.10-lp152.9.4.2.x86_64 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:libvncserver0-0:0.9.10-lp152.9.4.2.i586 —
Vendor Fix
Unresolved product id: openSUSE Leap 15.2:libvncserver0-0:0.9.10-lp152.9.4.2.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2018-21247
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact important
CVE-2019-20839
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact important
CVE-2019-20840
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact important
CVE-2020-14397
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact moderate
CVE-2020-14398
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact moderate
CVE-2020-14399
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact moderate
CVE-2020-14400
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact moderate
CVE-2020-14401
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact moderate
CVE-2020-14402
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
Recommended 6 products, the same list as for CVE-2017-18922
Threats
Impact moderate
References
URL Category
https://www.suse.com/support/security/rating/ external
https://ftp.suse.com/pub/projects/security/csaf/o… self
https://lists.opensuse.org/archives/list/security… self
https://lists.opensuse.org/archives/list/security… self
https://bugzilla.suse.com/1173477 self
https://bugzilla.suse.com/1173691 self
https://bugzilla.suse.com/1173694 self
https://bugzilla.suse.com/1173700 self
https://bugzilla.suse.com/1173701 self
https://bugzilla.suse.com/1173743 self
https://bugzilla.suse.com/1173874 self
https://bugzilla.suse.com/1173875 self
https://bugzilla.suse.com/1173876 self
https://bugzilla.suse.com/1173880 self
https://www.suse.com/security/cve/CVE-2017-18922/ self
https://www.suse.com/security/cve/CVE-2018-21247/ self
https://www.suse.com/security/cve/CVE-2019-20839/ self
https://www.suse.com/security/cve/CVE-2019-20840/ self
https://www.suse.com/security/cve/CVE-2020-14397/ self
https://www.suse.com/security/cve/CVE-2020-14398/ self
https://www.suse.com/security/cve/CVE-2020-14399/ self
https://www.suse.com/security/cve/CVE-2020-14400/ self
https://www.suse.com/security/cve/CVE-2020-14401/ self
https://www.suse.com/security/cve/CVE-2020-14402/ self
https://www.suse.com/security/cve/CVE-2017-18922 external
https://bugzilla.suse.com/1173477 external
https://www.suse.com/security/cve/CVE-2018-21247 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173874 external
https://www.suse.com/security/cve/CVE-2019-20839 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173875 external
https://www.suse.com/security/cve/CVE-2019-20840 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173876 external
https://www.suse.com/security/cve/CVE-2020-14397 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173700 external
https://www.suse.com/security/cve/CVE-2020-14398 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173880 external
https://www.suse.com/security/cve/CVE-2020-14399 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173743 external
https://www.suse.com/security/cve/CVE-2020-14400 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173691 external
https://www.suse.com/security/cve/CVE-2020-14401 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173694 external
https://www.suse.com/security/cve/CVE-2020-14402 external
https://bugzilla.suse.com/1173477 external
https://bugzilla.suse.com/1173701 external
To clipboard 

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