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Debian: DSA-2031-1 Critical: Krb5 Kadmin Daemon Crash Risk

Sol Jerome discovered that kadmind service in krb5, a system for authenticating users and services on a network, allows remote authenticated users to cause a denial of service (daemon crash) via a request from a kadmin client that sends . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-2031-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Giuseppe Iuculano April 11, 2010 http://www.debian.org/security/faq - ------------------------------------------------------------------------ Package : krb5 Vulnerability : use-after-free Problem type : remote Debian-specific: no CVE ID : CVE-2010-0629 Debian Bug : 567052 Sol Jerome discovered that kadmind service in krb5, a system for authenticating users and services on a network, allows remote authenticated users to cause a denial of service (daemon crash) via a request from a kadmin client that sends an invalid API version number. For the stable distribution (lenny), this problem has been fixed in version 1.6.dfsg.4~beta1-5lenny3. The testing distribution (squeeze), and the unstable distribution (sid) are not affected by this issue. We recommend that you upgrade your krb5 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 (stable) - --------------- Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc. Source archives: Size/MD5 checksum: 1537 5e303b1137773a3151e3c32c3e711707 Size/MD5 checksum: 11647547 08d6ce311204803acbe878ef0bb23c71 Size/MD5 checksum: 852374 02717d2cea45f186eb05cd196d8035ac Architecture independent packages: Size/MD5 checksum: 2149738 7d91c163fb39f13e4bb9371d6700ec34 alpha architecture (DEC Alpha) Size/MD5 checksum: 72254 5f5136a8eb5b652ff3425220372982d6 Size/MD5 checksum: 179752 6bfe9b06aefbd13d82e449001f061f07 Size/MD5 checksum: 92810 d28e976f4aaf8a7a3048144198a250fd Size/MD5 checksum: 112938 8a8f3658363a97fb221145454deea825 Size/MD5 checksum: 98620 ceb3367cea07913abcb6bf91db125abf Size/MD5 checksum: 538482 5f795f3b40ef6a719b4477c21a331759 Size/MD5 checksum: 70284 240ec4c435b3824878d9945807c10e2d Size/MD5 checksum: 149846 059e17811c7ff7be4b3e80fb41b19929 Size/MD5 checksum: 1351808 246d6c6583b4112ab05b294ae31674f6 Size/MD5 checksum: 255514 949a91a2551f17746d37098298c05e3b Size/MD5 checksum: 219390 8cf3087d18ad516640537ecbefc9a0cd Size/MD5 checksum: 98526 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1e88a64238dc617916d62324eb6f0aae Size/MD5 checksum: 77092 9123a454323d9b3b800cda0b1f136219 Size/MD5 checksum: 68888 c7a4233898c364f0920b3565facd4f50 Size/MD5 checksum: 70106 958217b74bf7722be071f47abe20a5ea Size/MD5 checksum: 93950 059d5b319a4390dae184cdbe75a0d5cd Size/MD5 checksum: 96950 2f215b8705470aef817bdb5f7e2a63c1 sparc architecture (Sun SPARC/UltraSPARC) Size/MD5 checksum: 146248 4e4e46cd11859705d023db8cc21b4e28 Size/MD5 checksum: 138076 a3e5fc259b8e42507b29aec9f435d0c7 Size/MD5 checksum: 71522 281742c7eece7eb0a6929c0d67563382 Size/MD5 checksum: 1213202 22d013e05537bf3ceb7d81b70af202c8 Size/MD5 checksum: 87536 c5f658d472dc716ae4a4b9b825f1da33 Size/MD5 checksum: 93694 b72da8d44e7132365c325d65a608a393 Size/MD5 checksum: 65596 ecf50b02eeadd7b7b5f2dfddfb9e1483 Size/MD5 checksum: 435498 3b3f09253342fe3d38fecc4c7403edce Size/MD5 checksum: 88590 4a436378181d6a999a1f4699b29c4ae5 Size/MD5 checksum: 61454 078e48e27cff7139e595c9858bb53501 Size/MD5 checksum: 182172 a289b98e805e19647b5ac3507017595b Size/MD5 checksum: 210122 f5e38880f041ffa5fbde015bab6b8486 Size/MD5 checksum: 100812427b320e11befe3c3502c6eab85cb222 These files will probably be moved into the stable distribution on its next update. - --------------------------------------------------------------------------------- For apt-get: deb https://www.debian.org/security/ stable/updates main For dpkg-ftp: dists/stable/updates/main Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. Package info: `apt-cache show ' and https://www.debian.org/distrib/packages . A security flaw in krb5's kadmind service exposes it to remote exploitation, necessitating an immediate update to the software package.. krb5 Denial Of Service,kadmin service upgrade,Debian security advisory,remote attack protection. . Severity: Critical. LinuxSecurity.com Team

Apr 11, 2010 •Critical Debian