Ubuntu alert USN-3212-4 (tiff)
| From: | "Leonidas S. Barbosa" <leo.barbosa@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-3212-4] LibTIFF vulnerabilities | |
| Date: | Mon, 07 Aug 2017 11:00:33 -0300 | |
| Message-ID: | <1502114433.11822.37.camel@canonical.com> |
========================================================================== Ubuntu Security Notice USN-3212-4 August 07, 2017 tiff vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: LibTIFF could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - tiff: Tag Image File Format (TIFF) library Details: USN-3212-1 fixed several issues in LibTIFF. This update provides a subset of corresponding update for Ubuntu 12.04 ESM. Mei Wang discovered a multiple integer overflows in LibTIFF which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image, which triggers an out-of-bounds write. (CVE-2016-3945) It was discovered that LibTIFF is vulnerable to a heap buffer overflow in the resulting in DoS or code execution via a crafted BitsPerSample value. (CVE-2017-5225) Original advisory details: It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libtiff-tools 3.9.5-2ubuntu1.11 libtiff4 3.9.5-2ubuntu1.11 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3212-4 https://www.ubuntu.com/usn/usn-3212-1 CVE-2016-3945, CVE-2017-5225 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...