Ubuntu 1108-1: DHCP vulnerability
Summary
Update Instructions
References
Package Information
==========================================================Ubuntu Security Notice USN-1108-1 April 11, 2011 dhcp3 vulnerability CVE-2011-0997 ========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 9.10 Ubuntu 10.04 LTS Ubuntu 10.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: dhcp3-client 3.0.3-6ubuntu7.2 Ubuntu 8.04 LTS: dhcp3-client 3.0.6.dfsg-1ubuntu9.2 Ubuntu 9.10: dhcp3-client 3.1.2-1ubuntu7.2 Ubuntu 10.04 LTS: dhcp3-client 3.1.3-2ubuntu3.1 Ubuntu 10.10: dhcp3-client 3.1.3-2ubuntu6.1 In general, a standard system update will make all the necessary changes. Details follow: Sebastian Krahmer discovered that the dhclient utility incorrectly filtered crafted responses. An attacker could use this flaw with a malicious DHCP server to execute arbitrary code, resulting in root privilege escalation. Updated packages for Ubuntu 6.06 LTS: Source archives: Size/MD5: 68426 b4a36d1b44e8276211cef0b9bfbb6ea5 Size/MD5: 1428 2fe76544defdfa3d4ab61d548ea5bc03 Size/MD5: 870240 f91416a0b8ed3fd0601688cf0b7df58f amd64 architecture (Athlon64, Opteron, EM64T Xeon): Size/MD5: 221524 2cc3c7815cb6e6a2cc21d0c2a6286202 Size/MD5: 454060 4d6e00d001d85359af4777316c012038 Size/MD5: 131252 bf862b9ce2cc9888f9e617f42c0d8f77 Size/MD5: 321024 383390887daadd122e7e66a9896e0432 Size/MD5: 177440 04a6bc2b53da66245b8b79b71d8f82ed Size/MD5: 105842 9616c95d8f2d487fd330fb9b33c58474 i386 architecture (x86 compatible Intel/AMD): Size/MD5: 196930 ebaee96958395481e8c9c25a6591c1a3 Size/MD5: 431162 6fec8eaee0c753e95193f507e3c2c1eb Size/MD5: 117544 76fd573dc96ade71033c31e9965a1ede Size/MD5: 289684 8d0c386dc142ca3e69766e26fa6ced00 Size/MD5: 152296 98cdda8ba797a8f3532e2db2c95f5329 Size/MD5: 94176 369f369a8fd6b58df3e293a5264c8047 powerpc architecture (Apple Macintosh G3/G4/G5): Size/MD5: 203612 da623d9e1694169cfc1de56f2e0df6e4 Size/MD5: 435818 a6f18c0a5083885f0f3ad270a52f1ea9 Size/MD5: 130290 8ed50d04b1c91276b0bdf19b3cda3fcd Size/MD5: 297742 95b7742e4fb7c4720add03965ef51b45 Size/MD5: 158466 61e6403a4a5db1783c43fbfe6ad74e8c Size/MD5: 96696 a7d275b7895e47d8141fab29a3db415b sparc architecture (Sun SPARC/UltraSPARC): Size/MD5: 200826 04fe774f2349b12af88465a96a4443b4 Size/MD5: 434238 c71c8b52f5324385d13e3610e7bef30e Size/MD5: 126784 ca67a9bd308dfb73bf85906f53e8ae6b Size/MD5: 294084 628696dfa6a0c9a2713b7fde4390d700 Size/MD5: 156068 907d41b490e6155c580b83cec96e3f71 Size/MD5: 96810 d1559518c2fc467cf6244ee8cd29176b Updated packages for Ubuntu 8.04 LTS: Source archives: Size/MD5: 97783 a2e0e7077df662a15c039c462ecd8e3d Size/MD5: 1537 ccf77a9747dc8cbc6b65e0d94ab9c43b Size/MD5: 724045 e89ef34005c576ddbb229e3b4478f6e2 amd64 architecture (Athlon64, Opteron, EM64T Xeon): Size/MD5: 180140 9b8c326a22be742b43e2b8d9b07d4f86 Size/MD5: 242126 8053c2330e512d48f0318af10079c50a Size/MD5: 300696 15bbfae5ba97f27d0c896b886773f02b Size/MD5: 124032 82fe33e521c7ee08b7a00596acc8cb8d Size/MD5: 342596 40acd4d59e72be79a5c930254bee0223 Size/MD5: 114396 5e5c7a86cec5ef70f927cbf53fffec4d i386 architecture (x86 compatible Intel/AMD): Size/MD5: 159988 7c2cd082adad4cdae500b88b9429ea24 Size/MD5: 221966 92748d084525779ad31fe09ae76ca8d5 Size/MD5: 281564 0e64a350c9599b473f42949dbaa44533 Size/MD5: 109818 5ef8d14534865cdf0b63699e54ab684a Size/MD5: 318748 205746468ea8d58f1babe96c28f46983 Size/MD5: 103376 15e19ab3867304e29f59f3e97170f145 lpia architecture (Low Power Intel Architecture): Size/MD5: 158248 1ce010480a0ea9a1a8683995ab5c9b68 Size/MD5: 220236 d0c1551dde51da5503fe3be6288a23bb Size/MD5: 279790 cf35fa8aaca649fd85366e684628a580 Size/MD5: 109062 d1ff75192f05906028ac9001483529da Size/MD5: 316576 6f95deb3879a7c38c0f9cd1ba1ff0228 Size/MD5: 102310 d4b1c32f8c1d1a6383fc09580e46ec79 powerpc architecture (Apple Macintosh G3/G4/G5): Size/MD5: 177278 29a10d5d08bc3797b67770a4028758ff Size/MD5: 242046 27324a8f5623a94ff813148a5267fb4b Size/MD5: 296498 4b8af066dc6c2481e4ff360800c04e74 Size/MD5: 122548 9ad8db4fbd23f1760d1bc123b01f014b Size/MD5: 341860 28075deaecbdc1d77166dcb1623a8c85 Size/MD5: 112934 766413326d6486146da4aec03a2654bc sparc architecture (Sun SPARC/UltraSPARC): Size/MD5: 156574 742d54969d6dd68e7ac86ca00e1b1832 Size/MD5: 218754 60013fe472200e1bf45d9b02d80a244e Size/MD5: 277066 bf1034124c51ddacf732c2887957a46e Size/MD5: 113494 b50639e27d92c0ababba9fab23242d7d Size/MD5: 313426 b93d5ec9d7ea9717a79d6bf2bb80a285 Size/MD5: 102930 df99654fbd9e6f5aba7f962adb9d6470 Updated packages for Ubuntu 9.10: Source archives: Size/MD5: 141611 0cab5bee752928f3c9f0c8e1ded26167 Size/MD5: 1955 a26905456538cd0d30e924e488302fc4 Size/MD5: 799626 85901a9554650030df7d1ef3e5959fdf Architecture independent packages: Size/MD5: 26206 905e286082551fcbc23916052de7e2fa amd64 architecture (Athlon64, Opteron, EM64T Xeon): Size/MD5: 208604 5bb8643607d5f416205174f97d443e8e Size/MD5: 270930 fa0267775f2471f0be30499bf121b6e7 Size/MD5: 332152 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dd7f5ffd85a725a8cb4f8fe6a067d0bb Size/MD5: 121446 0ccdd1ca74fcd96be84596ce324f967e Size/MD5: 337410 54549752057dc73a3e35a158b871ea36 sparc architecture (Sun SPARC/UltraSPARC): Size/MD5: 212712 be3c531c2fffd6ad83501e44015a3532 Size/MD5: 277974 5a9ee5790cc705c845cd085c71d001b5 Size/MD5: 335174 22b404e90f206772c786f968392ecef1 Size/MD5: 121764 97643d01dd5dd3eb06859cb881312e6d Size/MD5: 402564 889e3a0882bebb5b4ceb4df3c805d883 Size/MD5: 126888 546ab5281e2ba4672471a30fce814e36 Size/MD5: 353712 64fcbf89ca8fd7af9aa2a9bd66739170 Updated packages for Ubuntu 10.10: Source archives: Size/MD5: 151417 604106743c8429a59b9b8af55de854f7 Size/MD5: 1962 792f947b2a6c3020c45ca1b56771c77e Size/MD5: 804097 6ee8af8b283c95b3b4db5e88b6dd9a26 Architecture independent packages: Size/MD5: 27778 319b0ce429e455b13a2248cc2cbe3491 amd64 architecture (Athlon64, Opteron, EM64T Xeon): Size/MD5: 208588 f4d4d2a63016b2b9960654be7c04b9c5 Size/MD5: 274192 4005626ae7c8ed06bf15a1e014968ebd Size/MD5: 335392 3f745248ea2b2c54e1771f1789cd13dc Size/MD5: 128922 dc2dd29ead86d887a22da63f27ae9692 Size/MD5: 398270 ffd780e99cb19cc3884703ec930a68cb Size/MD5: 126752 a4d3f03e0855ce6ef4cf6a75f33198d1 Size/MD5: 349942 430e5e501488da92c3b4e2f2a685912a i386 architecture (x86 compatible Intel/AMD): Size/MD5: 190312 23ced3137d0e056d9ce13dd41e656af3 Size/MD5: 255768 07cfc1c5db7b6d8585e9a00513699049 Size/MD5: 317854 f9a58ae40c5f2645e17e2a9349f07edf Size/MD5: 119094 9af94d26ecd3ce03c9d059ab8db5ff46 Size/MD5: 376052 2dd5ab42f28d13baab1d332c92fcdbcf Size/MD5: 117472 9638997daef5f353621a3adea0f054d5 Size/MD5: 327368 93d8a202391be7d55484901a7fa00f09 armel architecture (ARM Architecture): Size/MD5: 191162 ea1961dc40672d12302dcb3e0ae62c44 Size/MD5: 256344 fd6d84d8ca333a1e0cc0efc4c26df7cb Size/MD5: 319110 4ed5fb07ce8a4997c1132f96e4c29e39 Size/MD5: 118586 ade0a8cfa1217ae39ff58bea47e4faa0 Size/MD5: 377976 7f26e7b4442f8b17b8178fc7b44e6720 Size/MD5: 118802 ee96894319dbf620dbf981a2493cefa0 Size/MD5: 328204 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