Squid “idnsALookup()” DNS名称处理缓冲区溢出漏洞


发布日期:2013-07-11
更新日期:2013-07-12

受影响系统:
Squid Squid 3.x
描述:
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Squid是一个高效的Web缓存及代理程序。

Squid 3.2 - 3.2.11、3.3 - 3.3.6在处理DNS查询生成请求时,"idnsALookup()" 函数发生错误,攻击者通过发送特制的HTTP请求利用此漏洞可造成缓冲区溢出。

<*来源:Nathan Hoad
        Netbox Blue
 
  链接:http://secunia.com/advisories/54076/
        http://www.squid-cache.org/Advisories/SQUID-2013_2.txt
*>

建议:
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厂商补丁:

Squid
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Squid已经为此发布了一个安全公告(SQUID-2013_2)以及相应补丁:
SQUID-2013_2:Buffer overflow in HTTP request handling
链接:http://www.squid-cache.org/Advisories/SQUID-2013_2.txt

补丁下载:

Squid 3.0:
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch

Squid 3.1:
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch

Squid 3.2:
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patch

Squid 3.3:
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch

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