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HistorySep 04, 2020 - 6:58 p.m.

[SECURITY] [DSA 4758-1] xorg-server security update

2020-09-0418:58:09
lists.debian.org
32
xorg-server
privilege escalation
security update
debian
cve-2020-14345
cve-2020-14346
cve-2020-14347
cve-2020-14361
cve-2020-14362

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.001

Percentile

33.4%


Debian Security Advisory DSA-4758-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
September 04, 2020 https://www.debian.org/security/faq


Package : xorg-server
CVE ID : CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14361
CVE-2020-14362
Debian Bug : 968986

Several vulnerabilities have been discovered in the X.Org X server.
Missing input sanitising in X server extensions may result in local
privilege escalation if the X server is configured to run with root
privileges. In addition an ASLR bypass was fixed.

For the stable distribution (buster), these problems have been fixed in
version 2:1.20.4-1+deb10u1.

We recommend that you upgrade your xorg-server packages.

For the detailed security status of xorg-server please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/xorg-server

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

0.001

Percentile

33.4%