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CVE-2010-4818

Status Candidate

Overview

The GLX extension in X.Org xserver 1.7.7 allows remote authenticated users to cause a denial of service (server crash) and possibly execute arbitrary code via (1) a crafted request that triggers a client swap in glx/glxcmdsswap.c; or (2) a crafted length or (3) a negative value in the screen field in a request to glx/glxcmds.c.

Related Files

Ubuntu Security Notice USN-1232-3
Posted Oct 21, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1232-3 - USN-1232-1 fixed vulnerabilities in the X.Org X server. A regression was found on Ubuntu 10.04 LTS that affected GLX support, and USN-1232-2 was released to temporarily disable the problematic security fix. This update includes a revised fix for CVE-2010-4818.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2010-4818
SHA-256 | d16b6ed5db915dab2883dbe8e21542b35ed1a03bc7433c600486d192144e139b
Ubuntu Security Notice USN-1232-1
Posted Oct 18, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1232-1 - It was discovered that the X server incorrectly handled certain malformed input. An authorized attacker could exploit this to cause the X server to crash, leading to a denial or service, or possibly execute arbitrary code with root privileges. This issue only affected Ubuntu 10.04 LTS and 10.10. It was discovered that the X server incorrectly handled certain malformed input. An authorized attacker could exploit this to cause the X server to crash, leading to a denial or service, or possibly read arbitrary data from the X server process. This issue only affected Ubuntu 10.04 LTS. Various other issues were also addressed.

tags | advisory, arbitrary, root
systems | linux, ubuntu
advisories | CVE-2010-4818, CVE-2010-4819, CVE-2011-4028, CVE-2011-4029
SHA-256 | a04660c7b598d19e4f72432e2a317262cebfd0b9fa6d764460a7bd04e7a74a4f
Red Hat Security Advisory 2011-1360-01
Posted Oct 6, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1360-01 - 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. Multiple input sanitization flaws were found in the X.Org GLX extension. A malicious, authorized client could use these flaws to crash the X.Org server or, potentially, execute arbitrary code with root privileges. An input sanitization flaw was found in the X.Org Render extension. A malicious, authorized client could use this flaw to leak arbitrary memory from the X.Org server process, or possibly crash the X.Org server.

tags | advisory, arbitrary, root
systems | linux, redhat
advisories | CVE-2010-4818, CVE-2010-4819
SHA-256 | a2c7df4d7f0f4749d1e478b7b39f535eb92e6358a44a8012d44117e1c0e469b4
Red Hat Security Advisory 2011-1359-01
Posted Oct 6, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1359-01 - 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. Multiple input sanitization flaws were found in the X.Org GLX extension. A malicious, authorized client could use these flaws to crash the X.Org server or, potentially, execute arbitrary code with root privileges. An input sanitization flaw was found in the X.Org Render extension. A malicious, authorized client could use this flaw to leak arbitrary memory from the X.Org server process, or possibly crash the X.Org server.

tags | advisory, arbitrary, root
systems | linux, redhat
advisories | CVE-2010-4818, CVE-2010-4819
SHA-256 | 88e9d8bff4201fa5fe25e9fc5a73f5e6c51334046564cea142490cdc7e0d4ff0
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