Rsync xattr支持整数溢出漏洞

BUGTRAQ ID: 28726 CVE(CAN) ID: CVE-2008-1720 rsync是一个快速增量文件传输工具，用于在同一主机备份内部的备份。 rsync处理扩展属性数据时存在漏洞，如果rsync启用了扩展属性（xattr）支持的话，则负责处理该属性的代码中的整数溢出漏洞可能导致执行任意指令。 rsync rsync 2.6.9 - 3.0.1 厂商补丁： Debian ------ Debian已经为此发布了一个安全公告（DSA-1545-1）以及相应补丁: DSA-1545-1：New rsync packages fix arbitrary code execution 链接：<a href=http://www.debian.org/security/2008/dsa-1545 target=_blank>http://www.debian.org/security/2008/dsa-1545</a> 补丁下载： Source archives: <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2.dsc target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2.dsc</a> Size/MD5 checksum: 566 6504d35182ed2141c8d7d2f8152d5fb7 <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9.orig.tar.gz target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9.orig.tar.gz</a> Size/MD5 checksum: 811841 996d8d8831dbca17910094e56dcb5942 <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2.diff.gz target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2.diff.gz</a> Size/MD5 checksum: 51039 2131acc598dbbe26f9b6f04c0a0d3f2b alpha architecture (DEC Alpha) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_alpha.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_alpha.deb</a> Size/MD5 checksum: 294664 ea644ca8d37211ccbc1f8173e934d45a amd64 architecture (AMD x86_64 (AMD64)) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_amd64.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_amd64.deb</a> Size/MD5 checksum: 272046 0d9e9576b24a245265f9a98d15ce3b0b hppa architecture (HP PA RISC) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_hppa.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_hppa.deb</a> Size/MD5 checksum: 282552 dd5e17e39eeaa712287d166e3346bd7d i386 architecture (Intel ia32) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_i386.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_i386.deb</a> Size/MD5 checksum: 261454 b68ddd05ba2a02f7a5f6bd9cc7807a2e ia64 architecture (Intel ia64) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_ia64.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_ia64.deb</a> Size/MD5 checksum: 356986 df80d4332478c019d540b07ac16c235f mips architecture (MIPS (Big Endian)) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_mips.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_mips.deb</a> Size/MD5 checksum: 286532 21aeda2221c4b31c2f19296b58654222 mipsel architecture (MIPS (Little Endian)) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_mipsel.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_mipsel.deb</a> Size/MD5 checksum: 287282 0c750c3cf7089ad7e7ea3d9d273df9b9 powerpc architecture (PowerPC) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_powerpc.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_powerpc.deb</a> Size/MD5 checksum: 275184 6d81a7a14422fd5bc7c89bd755320e80 s390 architecture (IBM S/390) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_s390.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_s390.deb</a> Size/MD5 checksum: 278828 5300915466913e7832a3649ba701d49e sparc architecture (Sun SPARC/UltraSPARC) <a href=http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_sparc.deb target=_blank>http://security.debian.org/pool/updates/main/r/rsync/rsync_2.6.9-2etch2_sparc.deb</a> Size/MD5 checksum: 264144 885fc97a390e1db66290805c06e35947 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 rsync ----- 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： <a href=http://samba.anu.edu.au/rsync/download.html target=_blank>http://samba.anu.edu.au/rsync/download.html</a> <a href=http://rsync.samba.org/ftp/rsync/security/rsync-3.0.1-xattr-alloc.diff target=_blank>http://rsync.samba.org/ftp/rsync/security/rsync-3.0.1-xattr-alloc.diff</a>