-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-2032-1 security@debian.org http://www.debian.org/security/ Giuseppe Iuculano April 11, 2010 http://www.debian.org/security/faq - ------------------------------------------------------------------------ Package : libpng Vulnerability : several Problem type : local (remote) Debian-specific: no CVE Id(s) : CVE-2009-2042 CVE-2010-0205 Debian Bugs : 533676 572308 Several vulnerabilities have been discovered in libpng, a library for reading and writing PNG files. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-2042 libpng does not properly parse 1-bit interlaced images with width values that are not divisible by 8, which causes libpng to include uninitialized bits in certain rows of a PNG file and might allow remote attackers to read portions of sensitive memory via "out-of-bounds pixels" in the file. CVE-2010-0205 libpng does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file For the stable distribution (lenny), these problems have been fixed in version 1.2.27-2+lenny3. For the testing (squeeze) and unstable (sid) distribution, these problems have been fixed in version 1.2.43-1 We recommend that you upgrade your libpng package. Upgrade instructions - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 5.0 alias lenny - -------------------------------- Debian (stable) - --------------- Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc. Source archives: http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27-2+lenny3.dsc Size/MD5 checksum: 1201 abe81b0d3c4aa7a1fa418e29f2c5b297 http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27.orig.tar.gz Size/MD5 checksum: 783204 13a0de401db1972a8e68f47d5bdadd13 http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.2.27-2+lenny3.diff.gz Size/MD5 checksum: 19687 60ede1843ceb8a1f127c54b847a74dfa Architecture independent packages: http://security.debian.org/pool/updates/main/libp/libpng/libpng3_1.2.27-2+lenny3_all.deb Size/MD5 checksum: 880 028b00e28aad8282714776c5dcca64a8 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_alpha.udeb Size/MD5 checksum: 86562 d9c50af59951e972557d393409b75bf2 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_alpha.deb Size/MD5 checksum: 287752 1d7d84aee223c0933d1a616722607096 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_alpha.deb Size/MD5 checksum: 182436 001ecbf421f70ca521a3968f1d14c874 amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_amd64.udeb Size/MD5 checksum: 71912 78fbe1a6568671e4c557ec12e29481b0 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_amd64.deb Size/MD5 checksum: 254500 481312a64867f31c363b7fbba9cfe171 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_amd64.deb Size/MD5 checksum: 167864 3d285c20d2f080313f82eb09dcb7261b arm architecture (ARM) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_arm.udeb Size/MD5 checksum: 64566 a4a9742190557d14beae40133fb46cf1 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_arm.deb Size/MD5 checksum: 245438 a16f62e771622e05812172f7c7066504 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_arm.deb Size/MD5 checksum: 159612 81facf06de458dd6b1e84a78bb1acfc8 armel architecture (ARM EABI) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_armel.udeb Size/MD5 checksum: 67028 56fc4199656d239231c7b8d8e035fead http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_armel.deb Size/MD5 checksum: 245930 9f64181bc16af0ad0de4ba2e86b25706 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_armel.deb Size/MD5 checksum: 162504 3129e1c2360fcba0309257e2b1dff8ca hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_hppa.udeb Size/MD5 checksum: 73858 9d5a53e3258b5149bee68a4d20067bf9 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_hppa.deb Size/MD5 checksum: 169602 12ddce05c84ef675c348a1e64f1a277c http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_hppa.deb Size/MD5 checksum: 261788 9297cb916e57e2f912de3f16bcbae475 i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_i386.deb Size/MD5 checksum: 246968 083d472fd65f884c91dff5926e538342 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_i386.deb Size/MD5 checksum: 165560 233945ee4b1e442357276431ce495a4c http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_i386.udeb Size/MD5 checksum: 70094 769336f4574678e56931e1a1eaf6be6a ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_ia64.deb Size/MD5 checksum: 305324 42d7265034b84662467bb75456653787 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_ia64.udeb Size/MD5 checksum: 111776 ad716022a6a22371bb83f3966ebe17d4 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_ia64.deb Size/MD5 checksum: 206866 572b9d18c5adba74a4e5b99714968a60 mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_mipsel.deb Size/MD5 checksum: 262242 e905771ac3fa905cc03a3ddc8f9872dd http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_mipsel.udeb Size/MD5 checksum: 68370 4d44877866357a0fd8474fd8fe183616 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_mipsel.deb Size/MD5 checksum: 164154 93c02dbae7dfe59b77ce4b683b82eaef powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_powerpc.deb Size/MD5 checksum: 166402 1d470464fe2b493aef8d95dde5fd95d8 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_powerpc.udeb Size/MD5 checksum: 70682 1dd9713672dbac4a7434f1f96a1184b5 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_powerpc.deb Size/MD5 checksum: 253478 7a87577e07ed0bb9e759b973b2d7cf18 s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_s390.udeb Size/MD5 checksum: 73470 52b1a911a81f133a83a387663aa3ffb2 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_s390.deb Size/MD5 checksum: 252988 18b4c8b17b3e30ab6cce89c21c99fbfc http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_s390.deb Size/MD5 checksum: 169264 601982b9a97707ab05e1f4469cd8e20e sparc architecture (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny3_sparc.deb Size/MD5 checksum: 161562 facd643206903acfa3a503c1d69e9248 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0-udeb_1.2.27-2+lenny3_sparc.udeb Size/MD5 checksum: 66032 cbbe521a9a5629987603a57b8c9f35be http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny3_sparc.deb Size/MD5 checksum: 247212 76b8fe782fd0e5f7546bd535f8d442bc These files will probably be moved into the stable distribution on its next update. - --------------------------------------------------------------------------------- For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org Package info: `apt-cache show ' and http://packages.debian.org/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkvB/yQACgkQNxpp46476arJFwCdG3xzEL0SYqHS8rJg3pzYehZt AcoAn2GBzbmldTUCEuhVm/AeGmvzrom3 =MjfY -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. 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