Vulnerability Monitor

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CVE-2020-14345

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Published

2020-09-15T14:15:13.520

Last Modified

2024-11-21T05:03:03.537

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119
Type: Secondary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	x.org	x_server	< 1.20.9	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	20.04	Yes

References

http://www.openwall.com/lists/oss-security/2021/01/15/1 Mailing List, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1862241 Issue Tracking, Third Party Advisory ([email protected])
https://lists.x.org/archives/xorg-announce/2020-August/003058.html Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202012-01 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4488-2/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4490-1/ Third Party Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-20-1416/ Third Party Advisory, VDB Entry ([email protected])
http://www.openwall.com/lists/oss-security/2021/01/15/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1862241 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.x.org/archives/xorg-announce/2020-August/003058.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202012-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4488-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4490-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-20-1416/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)