CVE ID: CVE-2010-0301 maildrop是带有过滤功能的邮件传输代理。 如果root用户以-d选项运行maildrop,则main.C使用了root的gid执行用户主目录中的.mailfilter,这允许本地用户通过特制文件获得权限提升。成功攻击要求maildrop编译为没有设置RESET_GID,如邮件目录没有使用粘着位。 Double Precision Inc. maildrop 2.3.0 厂商补丁: Debian ------ Debian已经为此发布了一个安全公告(DSA-1981-1)以及相应补丁: DSA-1981-1:New maildrop packages fix privilege escalation 链接:http://www.debian.org/security/2010/dsa-1981 补丁下载: Source archives: http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1.dsc Size/MD5 checksum: 736 5d4c1da5e17a5055431958284386d2ae http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2.orig.tar.gz Size/MD5 checksum: 3217622 d799e44aa65027a02343e5e08b97f3a0 http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1.diff.gz Size/MD5 checksum: 13865 bbbbb2f714d5aafbca2255ae600ed4d4 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_alpha.deb Size/MD5 checksum: 396270...
CVE ID: CVE-2010-0301 maildrop是带有过滤功能的邮件传输代理。 如果root用户以-d选项运行maildrop,则main.C使用了root的gid执行用户主目录中的.mailfilter,这允许本地用户通过特制文件获得权限提升。成功攻击要求maildrop编译为没有设置RESET_GID,如邮件目录没有使用粘着位。 Double Precision Inc. maildrop 2.3.0 厂商补丁: Debian ------ Debian已经为此发布了一个安全公告(DSA-1981-1)以及相应补丁: DSA-1981-1:New maildrop packages fix privilege escalation 链接:http://www.debian.org/security/2010/dsa-1981 补丁下载: Source archives: http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1.dsc Size/MD5 checksum: 736 5d4c1da5e17a5055431958284386d2ae http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2.orig.tar.gz Size/MD5 checksum: 3217622 d799e44aa65027a02343e5e08b97f3a0 http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1.diff.gz Size/MD5 checksum: 13865 bbbbb2f714d5aafbca2255ae600ed4d4 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_alpha.deb Size/MD5 checksum: 396270 721dac0bfe0adfe12821648b114b529b amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_amd64.deb Size/MD5 checksum: 363334 361b1d09e6029290979f22eef0fdba91 arm architecture (ARM) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_arm.deb Size/MD5 checksum: 349906 8fee827790bdc6698f3597e12fe52d6f hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_hppa.deb Size/MD5 checksum: 388340 08b9be87f2c3cc52c620db2adbfcacef i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_i386.deb Size/MD5 checksum: 355822 0a4b406123abee445305109c4915ba23 ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_ia64.deb Size/MD5 checksum: 469936 91586db32dc8713252dd82239ae0eda8 mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_mipsel.deb Size/MD5 checksum: 376078 1ab6b5a13b76f428dac12534de3caa01 powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_powerpc.deb Size/MD5 checksum: 361516 932ec47bae8d8e0415cc34b9ef01da38 s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.2-11+etch1_s390.deb Size/MD5 checksum: 366974 f39b7f1d816f17060e5b0253426a9438 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/m/maildrop/maildrop_2.0.4-3+lenny1.dsc Size/MD5 checksum: 1137 fc8c7f28371afe62703db1c24103f348 http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4.orig.tar.gz Size/MD5 checksum: 3566630 78e6c27afe7eff9e132b8bc20087aae7 http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1.diff.gz Size/MD5 checksum: 807697 85669f0b67c38a7e55e3f22e9431ea65 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_alpha.deb Size/MD5 checksum: 401854 c19dc4ca2946033b4fdeb85fed6d86e1 amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_amd64.deb Size/MD5 checksum: 371578 1a3079eaa90d5665de73671a7f478d2e arm architecture (ARM) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_arm.deb Size/MD5 checksum: 350228 2e2614f28b004dbfbc51ed1ab6a90771 armel architecture (ARM EABI) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_armel.deb Size/MD5 checksum: 347804 66b6ff4506f5376c92bfc9c5e5fc6fd6 hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_hppa.deb Size/MD5 checksum: 388948 34f00537866981c9613aa7ac4ef16e5f i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_i386.deb Size/MD5 checksum: 359326 1e1b2e94312f7074321d5b11dc3524f5 ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_ia64.deb Size/MD5 checksum: 466472 f2e570b2fcd4835f2fe69449aa95e069 mips architecture (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_mips.deb Size/MD5 checksum: 375164 7fd35c034b5008d27cfd2cfedd106e16 mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_mipsel.deb Size/MD5 checksum: 375880 f94835ac5be58099a0b9fa7168dd53d8 powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_powerpc.deb Size/MD5 checksum: 380282 a84766802c113e9635589ed9d921a09d s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/m/maildrop/maildrop_2.0.4-3+lenny1_s390.deb Size/MD5 checksum: 375186 ed49ebd7e0c72e3d602e12b2d24d5464 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 Double Precision Inc. --------------------- 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://www.courier-mta.org/maildrop/changelog.html