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Ubuntu alert USN-1589-2 (glibc)

From:  Marc Deslauriers <marc.deslauriers@canonical.com>
To:  ubuntu-security-announce@lists.ubuntu.com
Subject:  [USN-1589-2] GNU C Library regression
Date:  Mon, 17 Dec 2012 09:17:18 -0500
Message-ID:  <50CF296E.6030004@canonical.com>
Archive-link:  Article, Thread

========================================================================== Ubuntu Security Notice USN-1589-2 December 17, 2012 glibc regression ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 8.04 LTS Summary: USN-1589-1 exposed a regression in the GNU C Library floating point parser. Software Description: - glibc: GNU C Library Details: USN-1589-1 fixed vulnerabilities in the GNU C Library. One of the updates exposed a regression in the floating point parser. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that positional arguments to the printf() family of functions were not handled properly in the GNU C Library. An attacker could possibly use this to cause a stack-based buffer overflow, creating a denial of service or possibly execute arbitrary code. (CVE-2012-3404, CVE-2012-3405, CVE-2012-3406) It was discovered that multiple integer overflows existed in the strtod(), strtof() and strtold() functions in the GNU C Library. An attacker could possibly use this to trigger a stack-based buffer overflow, creating a denial of service or possibly execute arbitrary code. (CVE-2012-3480) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 8.04 LTS: libc6 2.7-10ubuntu8.3 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1589-2 http://www.ubuntu.com/usn/usn-1589-1 CVE-2012-3480 Package Information: https://launchpad.net/ubuntu/+source/glibc/2.7-10ubuntu8.3 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...


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