CentOS ProjectCESA-2020:3281libvncserver security update
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.004 Low
EPSS
Percentile
73.7%
CentOS Errata and Security Advisory CESA-2020:3281
LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.
Security Fix(es):
- libvncserver: websocket decoding buffer overflow (CVE-2017-18922)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-August/085914.html
Affected packages:
libvncserver
libvncserver-devel
Upstream details at:
https://access.redhat.com/errata/RHSA-2020:3281
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| CentOS | 7 | i686 | libvncserver | < 0.9.9-14.el7_8.1 | libvncserver-0.9.9-14.el7_8.1.i686.rpm |
| CentOS | 7 | x86_64 | libvncserver | < 0.9.9-14.el7_8.1 | libvncserver-0.9.9-14.el7_8.1.x86_64.rpm |
| CentOS | 7 | i686 | libvncserver-devel | < 0.9.9-14.el7_8.1 | libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm |
| CentOS | 7 | x86_64 | libvncserver-devel | < 0.9.9-14.el7_8.1 | libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpm |
Related
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.004 Low
EPSS
Percentile
73.7%