CVE-2021-3472
published 2021-04-26CVE-2021-3472: A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The…
PriorityP342high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
1.05%
60.7th percentile
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | xorg-server | < xorg-server 2:1.20.11-1 (bookworm) | xorg-server 2:1.20.11-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| redhat | enterprise_linux | — | — |
| redhat | enterprise_linux | — | — |
| x.org | x_server | < 1.20.11 | 1.20.11 |
| x.org | xorg-server | >= 0 < 2:1.20.11-1 | 2:1.20.11-1 |
| x.org | xorg-server | >= 0 < 2:1.20.11-1 | 2:1.20.11-1 |
| x.org | xorg-server | >= 0 < 2:1.20.11-1 | 2:1.20.11-1 |
| x.org | xorg-server | >= 0 < 2:1.20.11-1 | 2:1.20.11-1 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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GHSA
GHSA-cmmq-26gr-w7rc: A flaw was found in xorg-x11-server in versions before 1
ghsa_unreviewed·2022-05-24
CVE-2021-3472 [HIGH] CWE-191 GHSA-cmmq-26gr-w7rc: A flaw was found in xorg-x11-server in versions before 1
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
OSV
CVE-2021-3472: A flaw was found in xorg-x11-server in versions before 1
osv·2021-04-26·CVSS 7.8
CVE-2021-3472 [HIGH] CVE-2021-3472: A flaw was found in xorg-x11-server in versions before 1
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Ubuntu
X.Org X Server vulnerability
vendor_ubuntu·2021-06-30
CVE-2021-3472 X.Org X Server vulnerability
Title: X.Org X Server vulnerability
Summary: X.Org X Server could be made to crash or run programs if it received
specially crafted input.
USN-4905-1 fixed a vulnerability in X.Org. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain lengths of XInput extension ChangeFeedbackControl requests. An
attacker could use this issue to cause the server to crash, resulting in a
denial of service, or possibly execute arbitrary code.
Instructions: After a standard system update you need to reboot your computer to make all
the necessary changes.
Red Hat
xorg-x11-server: XChangeFeedbackControl integer underflow leads to privilege escalation
vendor_redhat·2021-04-13·CVSS 7.8
CVE-2021-3472 [HIGH] CWE-191 xorg-x11-server: XChangeFeedbackControl integer underflow leads to privilege escalation
xorg-x11-server: XChangeFeedbackControl integer underflow leads to privilege escalation
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
A flaw was found in xorg-x11-server. An interger underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Statement: Xorg server does not run with root privileges in Red Hat Enterprise Linux 8, therefore this flaw has been rated as having moderate impact for Red Hat Enterprise linux 8.
Package: xorg
Ubuntu
X.Org X Server vulnerability
vendor_ubuntu·2021-04-13
CVE-2021-3472 X.Org X Server vulnerability
Title: X.Org X Server vulnerability
Summary: X.Org X Server could be made to crash or run programs if it received
specially crafted input.
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain lengths of XInput extension ChangeFeedbackControl requests. An
attacker could use this issue to cause the server to crash, resulting in a
denial of service, or possibly execute arbitrary code.
Instructions: After a standard system update you need to reboot your computer to make all
the necessary changes.
Debian
CVE-2021-3472: xorg-server - A flaw was found in xorg-x11-server in versions before 1.20.11. An integer under...
vendor_debian·2021·CVSS 7.8
CVE-2021-3472 [HIGH] CVE-2021-3472: xorg-server - A flaw was found in xorg-x11-server in versions before 1.20.11. An integer under...
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Scope: local
bookworm: resolved (fixed in 2:1.20.11-1)
bullseye: resolved (fixed in 2:1.20.11-1)
forky: resolved (fixed in 2:1.20.11-1)
sid: resolved (fixed in 2:1.20.11-1)
trixie: resolved (fixed in 2:1.20.11-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://www.openwall.com/lists/oss-security/2021/04/13/1https://bugzilla.redhat.com/show_bug.cgi?id=1944167https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cdhttps://lists.debian.org/debian-lts-announce/2021/04/msg00013.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/https://lists.x.org/archives/xorg-announce/2021-April/003080.htmlhttps://lists.x.org/archives/xorg-announce/2021-April/003080.htmlhttps://seclists.org/oss-sec/2021/q2/20https://security.gentoo.org/glsa/202104-02https://www.debian.org/security/2021/dsa-4893https://www.tenable.com/plugins/nessus/148701https://www.zerodayinitiative.com/advisories/ZDI-21-463/http://www.openwall.com/lists/oss-security/2021/04/13/1https://bugzilla.redhat.com/show_bug.cgi?id=1944167https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cdhttps://lists.debian.org/debian-lts-announce/2021/04/msg00013.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/https://lists.x.org/archives/xorg-announce/2021-April/003080.htmlhttps://lists.x.org/archives/xorg-announce/2021-April/003080.htmlhttps://seclists.org/oss-sec/2021/q2/20https://security.gentoo.org/glsa/202104-02https://www.debian.org/security/2021/dsa-4893https://www.tenable.com/plugins/nessus/148701https://www.zerodayinitiative.com/advisories/ZDI-21-463/
2021-04-26
Published