安全研究

安全漏洞
HTML-Parser无效HTML实体解析拒绝服务漏洞

发布日期:2009-10-23
更新日期:2009-10-26

受影响系统:
HTML-Parser HTML-Parser 3.54
不受影响系统:
HTML-Parser HTML-Parser 3.63
描述:
BUGTRAQ  ID: 36807
CVE(CAN) ID: CVE-2009-3627

HTML Parser是用于解析线性或嵌套式HTML的Java库。

HTML Parser在解析HTML实体中无效的UTF-8字符时可能触发死循环,导致拒绝服务的情况。

<*来源:Mark Martinec (Mark.Martinec@ijs.si
  
  链接:https://issues.apache.org/SpamAssassin/show_bug.cgi?format=multiple&id=6225
        http://permalink.gmane.org/gmane.comp.security.oss.general/2237
        http://www.debian.org/security/2009/dsa-1923
*>

建议:
厂商补丁:

Debian
------
Debian已经为此发布了一个安全公告(DSA-1923-1)以及相应补丁:
DSA-1923-1:New libhtml-parser-perl packages fix denial of service
链接:http://www.debian.org/security/2009/dsa-1923

补丁下载:
Source archives:

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55.orig.tar.gz
Size/MD5 checksum:    84746 75eb683f1fb7aa7c0ffa46ded4564b54
http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1.diff.gz
Size/MD5 checksum:     6136 8c713a84e3df953ae77d83d9f2cff5bc
http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1.dsc
Size/MD5 checksum:      882 0f38d699bda26190ea4764aa74eac2c8

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_alpha.deb
Size/MD5 checksum:   108540 a6d69a440e25b3d3b4e9c5057f6b6908

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_amd64.deb
Size/MD5 checksum:   108168 ddafcee82387004c4d55a39a8ca54eb6

arm architecture (ARM)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_arm.deb
Size/MD5 checksum:   106962 9842d5bc00c6b308d01fae6d20676e9e

hppa architecture (HP PA RISC)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_hppa.deb
Size/MD5 checksum:   109602 2d4a2d3ff134cfdd70135e71caf9043a

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_i386.deb
Size/MD5 checksum:   108032 b542502d5b1d4fff66c2d730e8c02790

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_ia64.deb
Size/MD5 checksum:   117524 ce065d8d05996cdc4c436104b578ed0a

mips architecture (MIPS (Big Endian))

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_mips.deb
Size/MD5 checksum:   106518 25feabc68e1aa4aff02b6aff00a2a9df

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_mipsel.deb
Size/MD5 checksum:   105742 17a4f0fafa183a3794fad636e4e26ce4

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_powerpc.deb
Size/MD5 checksum:   106504 beb784e9d723ba717d207c6e9c58414b

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_s390.deb
Size/MD5 checksum:   106630 1de105f77b55dd920dbfccb7712e3dc1

sparc architecture (Sun SPARC/UltraSPARC)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.55-1+etch1_sparc.deb
Size/MD5 checksum:   106222 bd1cd736644c4f2dceb76cc5192f18d0


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/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1.diff.gz
Size/MD5 checksum:     6147 18b2407d8b26d6225b82a880b16a0e05
http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1.dsc
Size/MD5 checksum:     1316 5a923d6089e2ffddf050ea5b017a7956
http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56.orig.tar.gz
Size/MD5 checksum:    86040 bddc432e5ed9df4d4153a62234f04fc2

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_alpha.deb
Size/MD5 checksum:   111160 928145a65d633d76bf3db6a42bcf9173

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_amd64.deb
Size/MD5 checksum:   111614 9152d47982c212aa1ee9ec8d6293c97e

arm architecture (ARM)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_arm.deb
Size/MD5 checksum:   109442 e559abada6a045e2a8d51b1c54a89655

armel architecture (ARM EABI)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_armel.deb
Size/MD5 checksum:   109388 47e0480a189e752018d27ffb4b19d9e1

hppa architecture (HP PA RISC)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_hppa.deb
Size/MD5 checksum:   112026 52d258a94e332f7f1c527ae0c47d77d6

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_i386.deb
Size/MD5 checksum:   109680 da9426f29d77127b954a77263a5b7665

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_ia64.deb
Size/MD5 checksum:   121744 90933c7e204254b4c308424af76917b2

mips architecture (MIPS (Big Endian))

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_mips.deb
Size/MD5 checksum:   109378 f46f9971f7d22fe40a1d15cc224cdc70

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_mipsel.deb
Size/MD5 checksum:   109870 af19cea178841be6c1fc658cac4c468d

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_powerpc.deb
Size/MD5 checksum:   112450 1a2d490c6120185ec0cbddc2bb73e792

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_s390.deb
Size/MD5 checksum:   110958 2f21853d729b141554b39132ecf21f5c

sparc architecture (Sun SPARC/UltraSPARC)

http://security.debian.org/pool/updates/main/libh/libhtml-parser-perl/libhtml-parser-perl_3.56-1+lenny1_sparc.deb
Size/MD5 checksum:   108682 a1831a4919f5c7b30eab0def292928b5

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

HTML-Parser
-----------
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://search.cpan.org/CPAN/authors/id/G/GA/GAAS/HTML-Parser-3.63.tar.gz

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