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MySQL Server date_format()拒绝服务漏洞            【字体:
MySQL Server date_format()拒绝服务漏洞
作者:佚名    安全中心来源:不详    点击数:    更新时间:2007-10-10
涉及程序:
MySQL Server date_format
 
描述:
MySQL Server date_format()拒绝服务漏洞
 
详细:
MySQL是一款使用非常广泛的开放源代码关系数据库系统,拥有各种平台的运行版本。

MySQL服务器的date_format()函数在处理用户提交的参数时存在漏洞,畸形的参数数据会导致MySQL服务器崩溃。

如果用户用特别的SQL语句调用了MySQL的date_format()函数的话,就可能导致服务器崩溃。

<*来源:Christian Hammers

链接:(http://bugs.mysql.com/bug.php?id=20729
 (http://www.debian.org/security/2005/dsa-1112
*>

受影响系统:
Debian Linux 3.1
MySQL AB MySQL < 5.1.6
MySQL AB MySQL < 5.0.19
MySQL AB MySQL < 4.1.18

不受影响系统:
MySQL AB MySQL 5.1.6
MySQL AB MySQL 5.0.19
MySQL AB MySQL 4.1.18
 
攻击方法:
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!

select date_format('%d%s', 1);
 
 
解决方案:
厂商补丁:

Debian
------
Debian已经为此发布了一个安全公告(DSA-1112-1)以及相应补丁:
DSA-1112-1:New mysql-dfsg-4.1 packages fix denial of service
链接:(

补丁下载:

Source archives:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-dfsg-4.1_4.1.11a-4sarge5.dsc
Size/MD5 checksum: 1021 9cd4f7df9345856d06846e0ddb50b9ee
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-dfsg-4.1_4.1.11a-4sarge5.diff.gz
Size/MD5 checksum:168442 e45db0b01b3adaf09500d54090f3a1e1
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-dfsg-4.1_4.1.11a.orig.tar.gz
Size/MD5 checksum: 15771855 3c0582606a8903e758c2014c2481c7c3

Architecture independent components:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-common-4.1_4.1.11a-4sarge5_all.deb
Size/MD5 checksum: 36520 e8115191126dc0b373a53024e5c78733

Alpha architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_alpha.deb
Size/MD5 checksum: 1590788 297b4444903885a19c76a1217e83477d
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_alpha.deb
Size/MD5 checksum: 7965184 8df4e20d157517541228fa52e4c60dbc
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_alpha.deb
Size/MD5 checksum: 1000952 4d62bca949f80c09f043a78b9e701ca5
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_alpha.deb
Size/MD5 checksum: 17487070 b357fcab1b57764e1ee8a341dd30def3

AMD64 architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_amd64.deb
Size/MD5 checksum: 1452034 a22b66b8e00b2409bf1428834af1073b
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_amd64.deb
Size/MD5 checksum: 5551704 731f50735026de2b95d9e9d9e19a7717
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_amd64.deb
Size/MD5 checksum:849526 a0a5d944db8261044bcdddbe55ab03d6
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_amd64.deb
Size/MD5 checksum: 14711282 bf471f8b19fe0aa14bf04209c0eac975

ARM architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_arm.deb
Size/MD5 checksum: 1388864 1ed00eac905063c7caa7702bb6a4dcda
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_arm.deb
Size/MD5 checksum: 5558854 46fac3302d6e4677bb1dbce5f5aa1387
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_arm.deb
Size/MD5 checksum:836766 5487191a4af54786066ac720456b5b68
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_arm.deb
Size/MD5 checksum: 14557630 1369e1f83fad8dfcbea1618e0acd821e

Intel IA-32 architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_i386.deb
Size/MD5 checksum: 1418036 ab5768abe67a1d21c714a078f2ec86f0
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_i386.deb
Size/MD5 checksum: 5643732 bf891e68e488947fd28a940a367d722f
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_i386.deb
Size/MD5 checksum:830724 f5d4a9e5b289d895ba021190f907829f
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_i386.deb
Size/MD5 checksum: 14558034 b580eeaf7a3806b95a07435acbe48e27

Intel IA-64 architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_ia64.deb
Size/MD5 checksum: 1713308 0067b2b9c41a412defde52f366e3c897
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_ia64.deb
Size/MD5 checksum: 7782486 3aabc5d9cf4bd642de338d58bdaf06f5
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_ia64.deb
Size/MD5 checksum: 1050616 d23aac0cd8ee2af56e54dfb5bac2f330
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_ia64.deb
Size/MD5 checksum: 18475936 9ddfe01a4b31abfed11b9bde23fac76f

HP Precision architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_hppa.deb
Size/MD5 checksum: 1551202 77244af3e0edbeaf716764fe9ac81e6f
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_hppa.deb
Size/MD5 checksum: 6250286 fd9cb45d760605ee2a89f70af5cb9af3
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_hppa.deb
Size/MD5 checksum:910046 38698cebd4b9f438fd09d9bbb9dcd92c
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_hppa.deb
Size/MD5 checksum: 15791130 8517866821789c2ac7343f9db6f59d3f

Motorola 680x0 architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_m68k.deb
Size/MD5 checksum: 1397964 e5166b54d56236e0bcbd677ae0b0612f
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_m68k.deb
Size/MD5 checksum: 5284080 48f187b76145ed53de71074d1e19bd6a
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_m68k.deb
Size/MD5 checksum:803870 699c9078240853a353fbd70504285d51
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_m68k.deb
Size/MD5 checksum: 14072018 f2837081c2ff82f8510234e174db38b4

Big endian MIPS architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_mips.deb
Size/MD5 checksum: 1478938 f6865d5d185ecc5b20dac7d0d7e129da
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_mips.deb
Size/MD5 checksum: 6053046 43b3f77618248df20870c85301465095
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_mips.deb
Size/MD5 checksum:904490 351bde467510be873c1a2cdc57048523
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_mips.deb
Size/MD5 checksum: 15409966 a0332059581d3de6922e9313d6eef676

Little endian MIPS architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_mipsel.deb
Size/MD5 checksum: 1446348 46a4c7d996016a4adcf56440b05fef21
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_mipsel.deb
Size/MD5 checksum: 5971326 6467ab19215d4e0e45084d3530929683
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_mipsel.deb
Size/MD5 checksum:890130 52b93510c81b7d296074fc4c36a6d847
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_mipsel.deb
Size/MD5 checksum: 15105474 1ffe09b6dc5b370067bf337109188a25

PowerPC architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_powerpc.deb
Size/MD5 checksum: 1476860 3b5a3a41dcb3744a289e78e3310d1df1
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_powerpc.deb
Size/MD5 checksum: 6027448 99a562b660721bc4dacd8997de8aab1f
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_powerpc.deb
Size/MD5 checksum:907410 9893e547ddfe66215e6bc3da4bf69724
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_powerpc.deb
Size/MD5 checksum: 15403210 25c8ae97be006ad171df2f3bdedc72a2

IBM S/390 architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_s390.deb
Size/MD5 checksum: 1538550 b105d416c3bcd7875984cecac926d076
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_s390.deb
Size/MD5 checksum: 5461556 00100b922054d9b9c3fc22b3a92b60c7
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_s390.deb
Size/MD5 checksum:884294 37fe2778f39871852f9fa53677cffe2c
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_s390.deb
Size/MD5 checksum: 15055516 c22496ba5559e2fbb1f0a37cd889ee0b

Sun Sparc architecture:

(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14_4.1.11a-4sarge5_sparc.deb
Size/MD5 checksum: 1460576 f4a2d46769a708b1ef70aa85e2b09277
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/libmysqlclient14-dev_4.1.11a-4sarge5_sparc.deb
Size/MD5 checksum: 6208040 3dc2de911cc6cbcb4f637bfccbce988a
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-client-4.1_4.1.11a-4sarge5_sparc.deb
Size/MD5 checksum:868258 1671384fa14d81404e3af7ffb555073e
(http://security.debian.org/pool/updates/main/m/mysql-dfsg-4.1/mysql-server-4.1_4.1.11a-4sarge5_sparc.deb
Size/MD5 checksum: 15392304 6d9b9d762aa6088e416c1b987f853e96

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

MySQL AB
--------
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.mysql.com/
 
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