安全研究
安全漏洞
libxslt XSL文件处理缓冲区溢出漏洞
发布日期：2008-05-21
更新日期：2008-05-29
受影响系统：
XMLSoft libxslt < 1.1.24不受影响系统：
XMLSoft libxslt 1.1.24描述：
BUGTRAQ ID: 29312
CVE(CAN) ID: CVE-2008-1767
Libxslt是为GNOME项目开发的XSLT C库，XSLT本身是用于定义XML转换的XML语言。
libxslt库在转换XML文档期间使用的固定大小的数组，如果XSL样式表文件中设置了特定的template match条件的话，则使用该库的应用程序在解析文件时会触发缓冲区溢出，导致应用程序崩溃或执行任意指令。
<*来源：Anthony de Almeida Lopes
链接：http://secunia.com/advisories/30315/
http://bugzilla.gnome.org/show_bug.cgi?id=527297
https://bugzilla.redhat.com/long_list.cgi?buglist=446809
https://www.redhat.com/support/errata/RHSA-2008-0287.html
http://www.debian.org/security/2008/dsa-1589
http://security.gentoo.org/glsa/glsa-200806-02.xml
*>
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！
<xsl:output method="xml"/>
<xsl:template
match="html/body/table/tr/td/div/div/div/div/div/div/div/div/table/tr/td/table/tr/td/p/b">
<xsl:if test="contains(text(), 'published')">
<found/>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
建议：
厂商补丁：
Debian
------
Debian已经为此发布了一个安全公告（DSA-1589-1）以及相应补丁:
DSA-1589-1：New libxslt packages fix execution of arbitrary code
链接：http://www.debian.org/security/2008/dsa-1589
补丁下载：
Source archives:
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt_1.1.19.orig.tar.gz
Size/MD5 checksum: 2799906 622e5843167593c8ea39bf86c66b8fcf
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt_1.1.19-2.dsc
Size/MD5 checksum: 849 27df832e1c58fa0b4ee2fc08ae23eb52
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt_1.1.19-2.diff.gz
Size/MD5 checksum: 149924 3135ddae6ed99518ca98cb6dd32f9cf5
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_alpha.deb
Size/MD5 checksum: 107220 cb23c0170e99f97ba4a6328b6c15d4e8
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_alpha.deb
Size/MD5 checksum: 131268 264ec9a09e6fd46eb6acb82b6e2e458f
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_alpha.deb
Size/MD5 checksum: 690048 6af24b16a70e3eda53cf9b01aeb72abe
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_alpha.deb
Size/MD5 checksum: 362862 b0bfc373c7b2b029bdecc32fe3c6b393
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_alpha.deb
Size/MD5 checksum: 230516 c613baf2799aca2b10f704c72d65f6dd
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_amd64.deb
Size/MD5 checksum: 131736 bd359cba79ae664919f1d28bb7ee7bb9
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_amd64.deb
Size/MD5 checksum: 630600 9f2ce6f099ad058ddb7756c6bec0ad04
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_amd64.deb
Size/MD5 checksum: 225362 6fad243b75ab8773edac788ae83ff0b2
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_amd64.deb
Size/MD5 checksum: 106520 86122035aa23a3ac883a90f2ad206cb3
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_amd64.deb
Size/MD5 checksum: 360490 43bf746a2e2d510dc2b42bce0ebfe846
arm architecture (ARM)
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_arm.deb
Size/MD5 checksum: 126438 8d9a6a49d04b7b718ea4891090590ebe
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_arm.deb
Size/MD5 checksum: 213174 5a22f4ddde902b9e62b320d595c717e4
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_arm.deb
Size/MD5 checksum: 106410 fa92dc9b78ddafc576c917dc634850f7
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_arm.deb
Size/MD5 checksum: 344476 84490df6ef91ef8d59397efd08141adb
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_arm.deb
Size/MD5 checksum: 612866 b755daf391dc131cec3cf5170f7ff3ef
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_hppa.deb
Size/MD5 checksum: 132206 246544f21eb977706164148ac110fef4
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_hppa.deb
Size/MD5 checksum: 656512 278e6530497e001b7af16b8c97259640
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_hppa.deb
Size/MD5 checksum: 107496 3c104b63b086ee54e45796cf8f8f5736
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_hppa.deb
Size/MD5 checksum: 238066 ec3a5a9b5ed19d8cea6e207b94960b06
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_hppa.deb
Size/MD5 checksum: 359052 99da4dbb694efd07fec538b0dfba57da
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_i386.deb
Size/MD5 checksum: 215768 065db1534d256efaa0bdbed1d5bc2efa
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_i386.deb
Size/MD5 checksum: 106010 d736922f8f98e3655e0d17c47c182911
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_i386.deb
Size/MD5 checksum: 610254 7d2f1de6b328363d404e0167b2c3d0b2
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_i386.deb
Size/MD5 checksum: 127542 036211c64911322aad9f5afa3c67a8ce
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_i386.deb
Size/MD5 checksum: 350172 fbd79c2f46affc6a6daea73b95c5fe4c
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_ia64.deb
Size/MD5 checksum: 110354 a086d9e71e7152286ff25d6c28d1c188
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_ia64.deb
Size/MD5 checksum: 688004 a39cdbeb7e2bec2db123baf9fb936141
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_ia64.deb
Size/MD5 checksum: 286602 c417da9ebd63d8338401253df1194e01
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_ia64.deb
Size/MD5 checksum: 361472 3643ac55a03571fa185c4e0700298e82
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_ia64.deb
Size/MD5 checksum: 135176 9cdb256571bf9606ed56840a1e88ddb4
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_mips.deb
Size/MD5 checksum: 106622 5f3f9bff564736decdac2c69983211a0
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_mips.deb
Size/MD5 checksum: 213366 128a0294b6a09059fedb618371ec9d09
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_mips.deb
Size/MD5 checksum: 650424 55eab53a1978e3e2a7c1f7dbd68fc04c
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_mips.deb
Size/MD5 checksum: 128934 3d52f0f986dd862e8119eabeca944e35
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_mips.deb
Size/MD5 checksum: 371998 8f2ea540fd91ca75559d8589c8855de7
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_mipsel.deb
Size/MD5 checksum: 213564 c405f7eef65b01491758e64551b7977f
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_mipsel.deb
Size/MD5 checksum: 624640 9d2b59c3820eb9c99671399f967e0f3e
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_mipsel.deb
Size/MD5 checksum: 363788 09bdf35805a2de68a4d1dfe15c28dcfc
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_mipsel.deb
Size/MD5 checksum: 106668 2633adeeddc2edc4e36e45a7e4e92c2f
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_mipsel.deb
Size/MD5 checksum: 128564 c768001b8441118205f9f513af83e485
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_powerpc.deb
Size/MD5 checksum: 611678 3d3acc7b7be03bd0bb2e31dcadf05720
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_powerpc.deb
Size/MD5 checksum: 365012 94f6735cc42e233a67fd46df084120ee
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_powerpc.deb
Size/MD5 checksum: 108104 bca54d59be466884a5cfde0532a324df
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_powerpc.deb
Size/MD5 checksum: 222790 12aef46d1088d93375ab824b73702bc2
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_powerpc.deb
Size/MD5 checksum: 130124 37bb5353c81ed15374acc7305cc54839
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_s390.deb
Size/MD5 checksum: 106798 0a96df71e63deb7d7124aab48152a5df
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_s390.deb
Size/MD5 checksum: 131712 89e70e2d2fadd7b7ec9268d907a62d29
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_s390.deb
Size/MD5 checksum: 226596 751b28fafff17f6fcb8b2f4c0df370c0
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_s390.deb
Size/MD5 checksum: 601572 85051174031d0ff2c22fb87d1ab759c0
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_s390.deb
Size/MD5 checksum: 357722 661c9551483bf52573e52646aaa13b60
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/libx/libxslt/xsltproc_1.1.19-2_sparc.deb
Size/MD5 checksum: 106330 e6c23ad0752b3c7c22857c935befb984
http://security.debian.org/pool/updates/main/libx/libxslt/python-libxslt1_1.1.19-2_sparc.deb
Size/MD5 checksum: 129134 e6c3f1402576da329d515d9411f7fd53
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1.1_1.1.19-2_sparc.deb
Size/MD5 checksum: 217862 2ce2c27d8de0dc78ee4162b9664f7144
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dev_1.1.19-2_sparc.deb
Size/MD5 checksum: 598868 0acf342e57619d34685f76b879da8891
http://security.debian.org/pool/updates/main/libx/libxslt/libxslt1-dbg_1.1.19-2_sparc.deb
Size/MD5 checksum: 335962 947c59cd2f23b55b897ded3b31ccc1a6
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
RedHat
------
RedHat已经为此发布了一个安全公告（RHSA-2008:0287-01）以及相应补丁:
RHSA-2008:0287-01：Important: libxslt security update
链接：https://www.redhat.com/support/errata/RHSA-2008-0287.html
Gentoo
------
Gentoo已经为此发布了一个安全公告（GLSA-200806-02）以及相应补丁:
GLSA-200806-02：libxslt: Execution of arbitrary code
链接：http://security.gentoo.org/glsa/glsa-200806-02.xml
所有libxslt用户都应升级到最新版本：
# emerge --sync
# emerge --ask --oneshot --verbose ">=3Ddev-libs/libxslt-1.1.24"
XMLSoft
-------
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://bugzilla.gnome.org/attachment.cgi?id=109216&action=view
http://svn.gnome.org/viewvc/libxslt/trunk/libxslt/pattern.c?r1=1469&r2=1468&pathrev=1469
浏览次数：3782
严重程度：0（网友投票）
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