Zwei Probleme in libpng
ID: | USN-2861-1 |
Distribution: | Ubuntu |
Plattformen: | Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.04, Ubuntu 15.10 |
Datum: | Mi, 6. Januar 2016, 23:33 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8472
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8540 |
Applikationen: | libpng |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============3155672186388672971== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="OltnDPiOir9eqBi4krWUUKfkMLs7Lipcf" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --OltnDPiOir9eqBi4krWUUKfkMLs7Lipcf Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable ========================================================================== Ubuntu Security Notice USN-2861-1 January 06, 2016 libpng vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 15.10 - Ubuntu 15.04 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: libpng could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - libpng: PNG (Portable Network Graphics) file library Details: It was discovered that libpng incorrectly handled certain small bit-depth values. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking the program. (CVE-2015-8472) Qixue Xiao and Chen Yu discovered that libpng incorrectly handled certain malformed images. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2015-8540) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 15.10: libpng12-0 1.2.51-0ubuntu3.15.10.2 Ubuntu 15.04: libpng12-0 1.2.51-0ubuntu3.15.04.2 Ubuntu 14.04 LTS: libpng12-0 1.2.50-1ubuntu2.14.04.2 Ubuntu 12.04 LTS: libpng12-0 1.2.46-3ubuntu4.2 After a standard system update you need to restart your session to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2861-1 CVE-2015-8472, CVE-2015-8540 Package Information: https://launchpad.net/ubuntu/+source/libpng/1.2.51-0ubuntu3.15.10.2 https://launchpad.net/ubuntu/+source/libpng/1.2.51-0ubuntu3.15.04.2 https://launchpad.net/ubuntu/+source/libpng/1.2.50-1ubuntu2.14.04.2 https://launchpad.net/ubuntu/+source/libpng/1.2.46-3ubuntu4.2 --OltnDPiOir9eqBi4krWUUKfkMLs7Lipcf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCgAGBQJWjVbyAAoJEGVp2FWnRL6TGXMP/1skezT9LrOqb0iZ9gY4cgsq lVxpPp37YGTZKyGw+nrJ+UCGeKYB9fAtwFJ4gR/iM40qD0yv68RFPBRgn5jcuS9L 5QfKt6mFDUZiLlXK+6qHJpeNRUd8SnhN4atdrPDVfOCBvQC8HA0qIe6sCvPQ/E4g Znheh0tcwtV0ZLE0mdBnDwgth+IRjZ/ohygf/8aIs1CAuWxmWHYWRbOYvfwMe6gc tQn2XjYnoqeGthwoGdWYHk1NJPlAREos9u2+JLAIwijgfv1srD855GXldWImE2vG u00BtAxBUlkPDhZunNflV4Ql8ShUC+eTQCegpG+Sqp6yWoPBp6ybd9zc9mrRkAsA MZf9PEb+w/AdGDFVYZVYCkr+O7wUgGUNNu3bodp67pQhV5NfNRUAxI+QClT1BYCY MkwkdGDfGUKZUyq0tYIvemBXo5vPEK2uR2GhRKApbU2mrbdLuH6b+geymRw9gRWT 0hOfWpyfPC7xCxQ2iIxqWgxcQP8gFkmzEuimZo20q/NIsFPaXWn+WxmBXmvrP+/G BEyY6LwCsSzwZcA3+HLtWT5HqNiBhpL+0+fXmUMQI71ZnNlHwAQ8eC+ZfydwjFoQ E8fa/B5ZnIvxUzZtgt3/cSuKSF6tFechtLI1q0Bx2U8bgpK+zzvUcYKhCPkv6x9u jEpUZKV+zp3D2Ox3wXgi =FBYt -----END PGP SIGNATURE----- --OltnDPiOir9eqBi4krWUUKfkMLs7Lipcf-- --===============3155672186388672971== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce --===============3155672186388672971==-- |