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Apache APR-util xml/apr_xml.c文件拒绝服务漏洞

2009-6-10 08:18 1027 0

摘要:   受影响系统:  Apache Group APR-util 1.3.x  不受影响系统:  Apache Group APR-util 1.3.7  描述:  ------------------...
关键词: nbsp libaprutil security checksum updates Debian util http dfsg Size

  受影响系统:  Apache Group APR-util 1.3.x  不受影响系统:  Apache Group APR-util 1.3.7  描述:  --------------------------------------------------------------------------------  BUGTRAQ  ID: 35253  CVE(CAN) ID: CVE-2009-1955  Apr-util是Apache所使用的Apache可移植运行时工具库。  APR-util库所使用的expat XML解析器(位于xml/apr_xml.c文件的apr_xml_*接口)在处理实体定义中包含有大量嵌套实体引用的XML文件时可能会耗尽所有可用的内存,导致拒绝服务的情况。所有使用APR-util库的expat wrapper接口解析不可信任XML文档的网络服务都受这个漏洞影响,如Apache httpd WebDAV模块mod_dav。  <*来源:Joe Orton  链接:http://marc.info/?l=apr-dev&m=124396021826125&w=2  http://secunia.com/advisories/35284/  http://www.debian.org/security/2009/dsa-1812  *>  测试方法:  --------------------------------------------------------------------------------  警 告  以下程序(方法)可能带有攻击性,仅供安全研究与教学之用。使用者风险自负!  http://milw0rm.com/exploits/8842  建议:  --------------------------------------------------------------------------------  厂商补丁:  Apache Group  ------------  目前厂商已经发布了升级补丁以修复这个安全问题,请到厂商的主页下载:  http://en.securitylab.ru/bitrix/redirect.php?event3=381000&goto=http%3A%2F%2Fsvn.apache.org%2Fviewvc%3Fview%3Drev%26revision%3D781403  Debian  ------  Debian已经为此发布了一个安全公告(DSA-1812-1)以及相应补丁:  DSA-1812-1:New apr-util packages fix several vulnerabilities  链接:http://www.debian.org/security/2009/dsa-1812  补丁下载:  Source archives:  http://security.debian.org/pool/updates/main/a/apr-util/apr-util_1.2.7+dfsg-2+etch2.diff.gz  Size/MD5 checksum:    33117 ed3dc8bd1a5891432d7fc0614b94becd  http://security.debian.org/pool/updates/main/a/apr-util/apr-util_1.2.7+dfsg.orig.tar.gz  Size/MD5 checksum:   643328 a3117be657f99e92316be40add59b9ff  http://security.debian.org/pool/updates/main/a/apr-util/apr-util_1.2.7+dfsg-2+etch2.dsc  Size/MD5 checksum:     1036 982d6c15afd4477277b01c004b7c8ac0  alpha architecture (DEC Alpha)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_alpha.deb  Size/MD5 checksum:    83614 7bc2f02a403bb653dde89fc6efd34e7b  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_alpha.deb  Size/MD5 checksum:   148054 45641c57b04ca3470eda5df4ce26742c  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_alpha.deb  Size/MD5 checksum:   128914 03bc9c912b8b625af79f39284d45eeed  amd64 architecture (AMD x86_64 (AMD64))  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_amd64.deb  Size/MD5 checksum:    72828 4fc0d12955c259cf26aab065b174ccf3  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_amd64.deb  Size/MD5 checksum:   127854 fec6f28c19ad170d97e431a8657d6d3b  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_amd64.deb  Size/MD5 checksum:   124516 6097da9f80f44b379f1b1d46aa13867a  arm architecture (ARM)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_arm.deb  Size/MD5 checksum:    66038 d7c116a4589f3f280d3a8f6f698afc8a  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_arm.deb  Size/MD5 checksum:   116800 e46133d4e4e2191dae95e7d70df22b41  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_arm.deb  Size/MD5 checksum:   121028 8d1d8a51de432ecdca221d3aab3a0342  hppa architecture (HP PA RISC)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_hppa.deb  Size/MD5 checksum:   133822 0060e1aa0428f163fd8a2391afd42d86  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_hppa.deb  Size/MD5 checksum:   126066 a197984d5f90879bfd5f5161d82fb793  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_hppa.deb  Size/MD5 checksum:    78586 4dce52054b7fd81027e5f002d36b9ca1  i386 architecture (Intel ia32)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_i386.deb  Size/MD5 checksum:    68680 d65d8158a672fc285a5329a96f927ff0  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_i386.deb  Size/MD5 checksum:   116416 0fffc0910d45788aa2e5632913f97b5e  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_i386.deb  Size/MD5 checksum:   122170 5c6fe8e442ec6aa146cc5f534d045e70  ia64 architecture (Intel ia64)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_ia64.deb  Size/MD5 checksum:   118768 c240a8957e74b4133d14524d65a0ca84  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_ia64.deb  Size/MD5 checksum:   156554 75f7ef24fb756f82c41c376fbb976eb2  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_ia64.deb  Size/MD5 checksum:    99380 31a30996ae576e028cd7d1b0e248096d  mips architecture (MIPS (Big Endian))  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_mips.deb  Size/MD5 checksum:   130216 64f856948c06a836e1e7ccb5288a8fd5  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_mips.deb  Size/MD5 checksum:   130378 5c2bcd90e3e764b63fad5e7108f2f5c7  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_mips.deb  Size/MD5 checksum:    70666 d8f16a952a9b49f1c1cce2dba45d4b67  mipsel architecture (MIPS (Little Endian))  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_mipsel.deb  Size/MD5 checksum:   130588 d24b45d678dd58b62518ddf1f6d9fd2f  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_mipsel.deb  Size/MD5 checksum:   127794 2d8ed73655993e12cdb0d4b316315f2c  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_mipsel.deb  Size/MD5 checksum:    70674 5242004658e91c173b717bde60a8085e  powerpc architecture (PowerPC)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_powerpc.deb  Size/MD5 checksum:   130406 0016513b87ff4564f5ff69621d431e13  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_powerpc.deb  Size/MD5 checksum:   125072 bc5539dda0daa900abfe77a088899f16  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_powerpc.deb  Size/MD5 checksum:    72400 28647bd35db14975a678c4424f0fb4aa  s390 architecture (IBM S/390)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_s390.deb  Size/MD5 checksum:   128360 df7691e2ac57d344c7c341ea7f606f3a  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_s390.deb  Size/MD5 checksum:    76592 482e412db007c81e2174a6bd729fc2a0  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_s390.deb  Size/MD5 checksum:   124716 9405781379de1b80fc8c7bd18260bd3c  sparc architecture (Sun SPARC/UltraSPARC)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.7+dfsg-2+etch2_sparc.deb  Size/MD5 checksum:   117158 bb4555e88f9b7f2a1127f24970b0863b  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.7+dfsg-2+etch2_sparc.deb  Size/MD5 checksum:   118574 366b392d5b9ba2771b08bec842ecca9a  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.7+dfsg-2+etch2_sparc.deb  Size/MD5 checksum:    66320 895fccdd633a9323f2e892a333e2f1f1  Debian GNU/Linux 5.0 alias lenny  - --------------------------------  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/a/apr-util/apr-util_1.2.12+dfsg.orig.tar.gz  Size/MD5 checksum:   658687 4ef3e41037fe0cdd3a0d107335a008eb  http://security.debian.org/pool/updates/main/a/apr-util/apr-util_1.2.12+dfsg-8+lenny2.dsc  Size/MD5 checksum:     1530 2e0b102b714edffebe80b7522b60eb93  http://security.debian.org/pool/updates/main/a/apr-util/apr-util_1.2.12+dfsg-8+lenny2.diff.gz  Size/MD5 checksum:    22021 5ac66e9e3e4a3b3f93f25a075d7087ea  alpha architecture (DEC Alpha)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_alpha.deb  Size/MD5 checksum:   146564 57902eabc0f7164fdb65f99742e774a9  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_alpha.deb  Size/MD5 checksum:   157358 74fe3e8f488bca9d715a91852748215a  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_alpha.deb  Size/MD5 checksum:    90574 78164e1209b66d8358931a4c783abf9e  amd64 architecture (AMD x86_64 (AMD64))  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_amd64.deb  Size/MD5 checksum:   132654 20dc399a6c86153c0021d273b34eceaf  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_amd64.deb  Size/MD5 checksum:   147538 ed67540d4baa9bce263df53c180e883e  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_amd64.deb  Size/MD5 checksum:    79814 4b71fcc802a207c1d1e1f54c4460c775  arm architecture (ARM)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_arm.deb  Size/MD5 checksum:   124566 bddd5c3e65dfbe7cba72edf1872f6612  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_arm.deb  Size/MD5 checksum:    71258 44658bee5eb78ff87e93008dd2d5ef1b  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_arm.deb  Size/MD5 checksum:   138786 06343f2a0707a8aab17cf292da23ab7c  armel architecture (ARM EABI)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_armel.deb  Size/MD5 checksum:   125382 63b253107c09d8f22a74daf4e75c0d4f  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_armel.deb  Size/MD5 checksum:   138852 d19e3658c9d0659845c2b27c9130c871  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_armel.deb  Size/MD5 checksum:    69786 22e9c23a71adec339b6048e4909e7b64  hppa architecture (HP PA RISC)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_hppa.deb  Size/MD5 checksum:   139700 67e358018e90e3a0a112f2b0ecb5c8e1  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_hppa.deb  Size/MD5 checksum:    83228 5e90a7a8e2f17dbe1099b4275dbfecce  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_hppa.deb  Size/MD5 checksum:   142974 bdac87da2eb60b9c2dc5f2cb77065135  i386 architecture (Intel ia32)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_i386.deb  Size/MD5 checksum:   120742 8f22bb0169bb8adfafb8295cd8e11a5d  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_i386.deb  Size/MD5 checksum:    73636 e8bafce964601ca062a3e8dc3e9ab887  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_i386.deb  Size/MD5 checksum:   141210 9cfb5f9c9a81d8c9d246bcda411330d5  ia64 architecture (Intel ia64)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_ia64.deb  Size/MD5 checksum:   135222 6e69a6671e161d561c74db4328f83002  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_ia64.deb  Size/MD5 checksum:   110928 6edc23e6b3e254d9e3a945eb8b201549  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_ia64.deb  Size/MD5 checksum:   169954 af3e28f3b3f42df488885d2bf8025a4b  mips architecture (MIPS (Big Endian))  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_mips.deb  Size/MD5 checksum:   147132 96b0bf6e077e8abc8ce12fff05b4151d  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_mips.deb  Size/MD5 checksum:    74196 128cbbed2eaaa51c2e92a4bfe6076cd0  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_mips.deb  Size/MD5 checksum:   137308 af2189d769dd968ef38b47a22664de82  mipsel architecture (MIPS (Little Endian))  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_mipsel.deb  Size/MD5 checksum:    74124 4894b4b56cc740ca877af667681ebfaa  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_mipsel.deb  Size/MD5 checksum:   144442 37c6b6c54ab1b0539d10565d4c668f6b  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_mipsel.deb  Size/MD5 checksum:   136152 e0b1e255aabc2db28542107ad15f5b46  powerpc architecture (PowerPC)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_powerpc.deb  Size/MD5 checksum:   146778 34fd3aab3b62f4e3ccaa3ce6a27aa08d  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_powerpc.deb  Size/MD5 checksum:    82798 4f81cdc2bb6a92c9add30ce0c5566226  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_powerpc.deb  Size/MD5 checksum:   132238 5fc82f511183058f4138c4cd07ec1ca9  s390 architecture (IBM S/390)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_s390.deb  Size/MD5 checksum:    85280 c185347abe5db6c3c5c797714a476454  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_s390.deb  Size/MD5 checksum:   148334 b3bfbab7f4e064ab3065070879c28faf  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_s390.deb  Size/MD5 checksum:   132826 d547ee5465f7bef60c954de4d6721b31  sparc architecture (Sun SPARC/UltraSPARC)  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1_1.2.12+dfsg-8+lenny2_sparc.deb  Size/MD5 checksum:    72812 9b27f0c316fd15a2535fd571bca5faa9  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dev_1.2.12+dfsg-8+lenny2_sparc.deb  Size/MD5 checksum:   124558 e3e07157b4bb28ec91168b6a038474d0  http://security.debian.org/pool/updates/main/a/apr-util/libaprutil1-dbg_1.2.12+dfsg-8+lenny2_sparc.deb  Size/MD5 checksum:   132136 f82857755ceba785fe679c16fe865f1d  补丁安装方法:  1. 手工安装补丁包:  首先,使用下面的命令来下载补丁软件:  # wget url  (url是补丁下载链接地址)  然后,使用下面的命令来安装补丁:  # dpkg -i file.deb (file是相应的补丁名)  2. 使用apt-get自动安装补丁包:  首先,使用下面的命令更新内部数据库:  # apt-get update  然后,使用下面的命令安装更新软件包:  # apt-get upgrade
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