ClamAV Hash Manager单字节拒绝服务漏洞

影响系统
Clam Anti-Virus ClamAV 0.96.5
 Clam Anti-Virus ClamAV 0.96.4
 Clam Anti-Virus ClamAV 0.96.3
 Clam Anti-Virus ClamAV 0.96.2
 Clam Anti-Virus ClamAV 0.96.1
 Clam Anti-Virus ClamAV 0.95.2
 Clam Anti-Virus ClamAV 0.95.1
 Clam Anti-Virus ClamAV 0.94.2
 Clam Anti-Virus ClamAV 0.94.1
 Clam Anti-Virus ClamAV 0.93.3
 Clam Anti-Virus ClamAV 0.93.1
 Clam Anti-Virus ClamAV 0.92.1
 Clam Anti-Virus ClamAV 0.91.2
 Clam Anti-Virus ClamAV 0.91.1
 Clam Anti-Virus ClamAV 0.90.3
 Clam Anti-Virus ClamAV 0.90.2
 Clam Anti-Virus ClamAV 0.90.1
 + Debian Linux 4.0 sparc
 + Debian Linux 4.0 s/390
 + Debian Linux 4.0 powerpc
 + Debian Linux 4.0 mipsel
 + Debian Linux 4.0 mips
 + Debian Linux 4.0 m68k
 + Debian Linux 4.0 ia-64
 + Debian Linux 4.0 ia-32
 + Debian Linux 4.0 hppa
 + Debian Linux 4.0 arm
 + Debian Linux 4.0 amd64
 + Debian Linux 4.0 alpha
 + Debian Linux 4.0
 Clam Anti-Virus ClamAV 0.90
 – MandrakeSoft Corporate Server 4.0 x86_64
 – MandrakeSoft Corporate Server 3.0 x86_64
 – MandrakeSoft Corporate Server 3.0
 – MandrakeSoft Corporate Server 4.0
 – MandrakeSoft Linux Mandrake 2007.1 x86_64
 – MandrakeSoft Linux Mandrake 2007.1
 – MandrakeSoft Linux Mandrake 2007.0 x86_64
 – MandrakeSoft Linux Mandrake 2007.0
 Clam Anti-Virus ClamAV 0.97
 Clam Anti-Virus ClamAV 0.96
 Clam Anti-Virus ClamAV 0.95
 Clam Anti-Virus ClamAV 0.94
 Clam Anti-Virus ClamAV 0.93
 Clam Anti-Virus ClamAV 0.92
 Clam Anti-Virus ClamAV 0.91
 
不受影响系统
Clam Anti-Virus ClamAV 0.97.2
 
危害
远程攻击者可利用此漏洞使"clamd"守护程序崩溃。
 
攻击所需条件
攻击者必须构建特制Email消息,发送ClamAV处理。
 
漏洞信息
ClamAV是一款基于unix下的反病毒应用程序。
libclamav/matcher-hash.c提供的"cli_hm_scan()"函数存在单字节错误,通过构建特制的Email消息可使"clamd"守护程序崩溃。
 
测试方法
 
厂商解决方案
Clam Anti-Virus ClamAV 0.97.2已经修复此漏洞,建议用户下载使用:
http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=4842733eb3f09be61caeed83778bb6679141dbc5
 
漏洞提供者
Jorgen Lundman

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