GNU C library dynamic linker expands $ORIGIN in setuid library search path

Overview Certain versions of glibc unsafely handle the $ORIGIN ELF substitution sequence which can be exploited to gain local privilege escalation. Description Tavis Ormandy's advisory states:"$ORIGIN is an ELF substitution sequence representing the location of the executable being loaded in the...

The GNU C library dynamic linker expands $ORIGIN in setuid library search path

The GNU C library dynamic linker expands $ORIGIN in setuid library search path ------------------------------------------------------------------------------ Gruezi, This is CVE-2010-3847. The dynamic linker or dynamic loader is responsible for the runtime linking of dynamically linked programs...

Ubuntu 8.04 LTS / 9.04 / 9.10 / 10.04 LTS / 10.10 : glibc, eglibc vulnerabilities (USN-1009-1)

Tavis Ormandy discovered multiple flaws in the GNU C Library's handling of the LDAUDIT environment variable when running a privileged binary. A local attacker could exploit this to gain root privileges. CVE-2010-3847, CVE-2010-3856. Note that Tenable Network Security has extracted the preceding...

Debian DSA-2122-1 : glibc - missing input sanitization

Ben Hawkes and Tavis Ormandy discovered that the dynamic loader in GNU libc allows local users to gain root privileges using a crafted LDAUDIT environment variable. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debi...

Fedora 13 : glibc-2.12.1-3 (2010-16594)

Fix strstr and memmem algorithm BZ12092, 641124 - Fix handling of tail bytes of buffer in SSE2/SSSE3 x86-64 version strncmp BZ12077 - Never expand $ORIGIN in privileged programs 643306, CVE-2010-3847 Note that Tenable Network Security has extracted the preceding description block directly from...

Slackware 12.0 / 12.1 / 12.2 / 13.0 / 13.1 / current : glibc (SSA:2010-295-01)

New glibc packages are available for Slackware 12.0, 12.1, 12.2, 13.0, 13.1, and -current to fix a security issue. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Slackware Security Advisory 2010-295-01. The text itse...

[slackware-security] glibc

New glibc packages are available for Slackware 12.0, 12.1, 12.2, 13.0, 13.1, and -current to fix a security issue. Here are the details from the Slackware 13.1 ChangeLog: patches/packages/glibc-2.11.1-i486-4slack13.1.txz: Rebuilt. Patched "dynamic linker expands $ORIGIN in setuid library search...

[SECURITY] Fedora 13 Update: glibc-2.12.1-3

The glibc package contains standard libraries which are used by multiple programs on the system. In order to save disk space and memory, as well as to make upgrading easier, common system code is kept in one place and shared between programs. This particular package contains the most important se...

USN-1009-1: GNU C Library vulnerabilities

Tavis Ormandy discovered multiple flaws in the GNU C Library's handling of the LDAUDIT environment variable when running a privileged binary. A local attacker could exploit this to gain root privileges. CVE-2010-3847, CVE-2010-3856...

[SECURITY] [DSA 2122-1] New glibc packages fix local privilege escalation

------------------------------------------------------------------------ Debian Security Advisory DSA-2122-1 [email protected] http://www.debian.org/security/ Florian Weimer October 22, 2010 http://www.debian.org/security/faq -...

CVE-2010-3856

ld.so in the GNU C Library aka glibc or libc6 before 2.11.3, and 2.12.x before 2.12.2, does not properly restrict use of the LDAUDIT environment variable to reference dynamic shared objects DSOs as audit objects, which allows local users to gain privileges by leveraging an unsafe DSO located in a...

Mandriva Update for glibc MDVSA-2010:207 (glibc)

Check for the Version of glibc OpenVAS Vulnerability Test Mandriva Update for glibc MDVSA-2010:207 glibc Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...

GNU C Library Dynamic Linker Arbitrary DSO dlopen

The GNU C library dynamic linker will dlopen arbitrary DSOs during setuid loads ------------------------------------------------------------------------------- Cześć, This advisory describes CVE-2010-3856, an addendum to CVE-2010-3847. Please see http://seclists.org/fulldisclosure/2010/Oct/257 fo...

RedHat Update for glibc RHSA-2010:0787-01

Check for the Version of glibc OpenVAS Vulnerability Test RedHat Update for glibc RHSA-2010:0787-01 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms...

RedHat Update for glibc RHSA-2010:0787-01

Check for the Version of glibc OpenVAS Vulnerability Test RedHat Update for glibc RHSA-2010:0787-01 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms...

CVE-2010-3847

elf/dl-load.c in ld.so in the GNU C Library aka glibc or libc6 through 2.11.2, and 2.12.x through 2.12.1, does not properly handle a value of $ORIGIN for the LDAUDIT environment variable, which allows local users to gain privileges via a crafted dynamic shared object DSO located in an arbitrary...

DSA-2122-1 glibc - local privilege escalation

Bulletin has no description...

glibc, nscd security update

CentOS Errata and Security Advisory CESA-2010:0787 Updated glibc packages that fix one security issue are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base...

glibc security update

2.5-49.el55.6 - Never expand in privileged programs 643818, CVE-2010-3847...

RHEL 5 : glibc (RHSA-2010:0787)

Updated glibc packages that fix one security issue are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...