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CVE-2020-14346

Status Candidate

Overview

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Related Files

Red Hat Security Advisory 2021-3119-01
Posted Aug 11, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3119-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory addresses a wide array of vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2016-10228, CVE-2017-14502, CVE-2019-13012, CVE-2019-14866, CVE-2019-25013, CVE-2019-25032, CVE-2019-25034, CVE-2019-25035, CVE-2019-25036, CVE-2019-25037, CVE-2019-25038, CVE-2019-25039, CVE-2019-25040, CVE-2019-25041, CVE-2019-25042, CVE-2019-2708, CVE-2019-9169, CVE-2020-12362, CVE-2020-12363, CVE-2020-12364, CVE-2020-13434, CVE-2020-13543, CVE-2020-13584, CVE-2020-14344, CVE-2020-14345, CVE-2020-14346
SHA-256 | 8c577ec58c64d9ea6cb3ad4e7638b48764a7aa10e5ac0a3c83fe0be868a0d325
Red Hat Security Advisory 2021-2136-01
Posted May 27, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2136-01 - An Openshift Logging bug fix release addresses an index validation issue.

tags | advisory
systems | linux, redhat
advisories | CVE-2016-10228, CVE-2019-13012, CVE-2019-18811, CVE-2019-19523, CVE-2019-19528, CVE-2019-25013, CVE-2019-2708, CVE-2019-3842, CVE-2019-9169, CVE-2020-0431, CVE-2020-10543, CVE-2020-10878, CVE-2020-11608, CVE-2020-12114, CVE-2020-12362, CVE-2020-12464, CVE-2020-13434, CVE-2020-13543, CVE-2020-13584, CVE-2020-13776, CVE-2020-14314, CVE-2020-14344, CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14356, CVE-2020-14360
SHA-256 | 8f9746dfa68f5ebe03798d9f8686052c21773b749d26577fe45138585199782b
Red Hat Security Advisory 2021-1804-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1804-01 - X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Mesa provides a 3D graphics API that is compatible with Open Graphics Library. It also provides hardware-accelerated drivers for many popular graphics chips. Issues addressed include buffer overflow, double free, heap overflow, integer overflow, out of bounds access, and privilege escalation vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2020-14344, CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14360, CVE-2020-14361, CVE-2020-14362, CVE-2020-14363, CVE-2020-25712
SHA-256 | a0eb31ee60b869926b5920d6d4ca80b41a0a61a26873ffc06058a362c0cef600
Gentoo Linux Security Advisory 202012-01
Posted Dec 7, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202012-1 - Multiple vulnerabilities have been found in X.org X Server, the worst of which could lead to privilege escalation. Versions less than 1.20.10 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14360, CVE-2020-14361, CVE-2020-14362, CVE-2020-25712
SHA-256 | e338a9191bb721a8fe6a529b7066bb7924fb8788ff15ee0fa8bf183494cabc1c
Red Hat Security Advisory 2020-4953-01
Posted Nov 5, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4953-01 - X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Issues addressed include out of bounds access and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362
SHA-256 | b887a9aca316a1bac18d59938b9cc80c6bdbfdc1ed45efed99383dda49fb1b0e
Red Hat Security Advisory 2020-4910-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4910-01 - X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Issues addressed include out of bounds access and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-14345, CVE-2020-14346, CVE-2020-14361, CVE-2020-14362
SHA-256 | 885e28a4cddb90712f1d40d4e402b95fc30792b6710f4e20bd499c21c9e076d4
Debian Security Advisory 4758-1
Posted Sep 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4758-1 - 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.

tags | advisory, local, root, vulnerability
systems | linux, debian
advisories | CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14361, CVE-2020-14362
SHA-256 | f766d86a2ab873536eefe0870f0c90e55ca00d335094de674bfbccbfff6552d7
Ubuntu Security Notice USN-4488-2
Posted Sep 9, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4488-2 - USN-4488-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could possibly use this issue to obtain sensitive information. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSelectEvents function. A local attacker could possibly use this issue to escalate privileges. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XRecordRegisterClients function. A local attacker could possibly use this issue to escalate privileges.

tags | advisory, local, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14361, CVE-2020-14362
SHA-256 | 4f5dfb2d15e64b00f7486618e2c2116c4886e5d1d5080e38d28625792b727b73
Ubuntu Security Notice USN-4488-1
Posted Sep 2, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4488-1 - Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could possibly use this issue to obtain sensitive information. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSelectEvents function. A local attacker could possibly use this issue to escalate privileges. Various other issues were also addressed.

tags | advisory, local, protocol
systems | linux, ubuntu
advisories | CVE-2020-14346, CVE-2020-14347, CVE-2020-14361, CVE-2020-14362
SHA-256 | fb858e40bd12b9e63ee10febf784385535be07b08aa013c751306a9b329cb3cf
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