多个ManDB效用本地缓冲区溢出漏洞

漏洞信息详情

多个ManDB效用本地缓冲区溢出漏洞

漏洞简介

man-db 2.4.1版本及之前版本在安装setuid时存在多个缓冲区溢出漏洞。本地用户可以借助(1)manp.c中add_to_dirlist的MANDATORY_MANPATH、MANPATH_MAP和MANDB_MAP参数,(2)ult_src.c中ult_src的超长路径名,(3)ult_src.c中test_for_include的超长.so参数,(4)超长MANPATH环境变量,或者(5)超长PATH环境变量来提升特权。

漏洞公告

It has been reported that fixes to address these issues are available via the following CVS server:
savannah.nongnu.org
The fixes provided in Debian advisory DSA 364-1 introduced another issue. Debian has released a revised advisory (DSA 364-3) with new fixes. Please see DSA 364-3 for details on obtaining and applying updated fixes.
man man 2.3.20

参考网址

来源: DEBIAN
名称: DSA-364
链接:http://www.debian.org/security/2003/dsa-364

来源: BUGTRAQ
名称: 20030730 Re: man-db[] multiple(4) vulnerabilities.
链接:http://marc.theaimsgroup.com/?l=bugtraq&m=105960276803617&w=2

来源: BUGTRAQ
名称: 20030729 man-db[] multiple(4) vulnerabilities.
链接:http://marc.theaimsgroup.com/?l=bugtraq&m=105951284512898&w=2

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