漏洞信息详情
Kernel Linux-PAM pam_env和pam_mail模块敏感信息泄露漏洞
- CNNVD编号:CNNVD-201101-352
- 危害等级: 低危
- CVE编号: CVE-2010-3430
- 漏洞类型: 设计错误
- 发布时间: 2011-01-25
- 威胁类型: 本地
- 更新时间: 2011-01-25
- 厂 商: kernel
- 漏洞来源: ');">Sebastian Krahmer ...
漏洞简介
Linux-PAM(又名PAM)是一种用于Linux平台中的认证机制,它通过提供一些动态链接库和一套统一的API,使系统管理员可以自由选择应用程序使用的验证机制。
Linux-PAM(又名pam)1.1.2版本中的(1)pam_env和(2)pam_mail模块中的privilege-dropping实现没有执行规定的setfsgid和setgroups系统调用。本地用户可以通过利用意外的组许可获取敏感信息。该漏洞已经通过在用户主目录的.pam_environment文件中的符号链接攻击得到证实。
漏洞公告
目前厂商已经发布了升级补丁以修复此安全问题,补丁获取链接:
http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=843807a3a90f52e7538be756616510730a24739a
参考网址
来源: bugzilla.redhat.com 链接:https://bugzilla.redhat.com/show_bug.cgi?id=641361 来源: MLIST 名称: [oss-security] 20101025 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/10/25/2 来源: MLIST 名称: [oss-security] 20101004 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/10/03/1 来源: MLIST 名称: [oss-security] 20100928 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/27/7 来源: MLIST 名称: [oss-security] 20100927 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/27/5 来源: MLIST 名称: [oss-security] 20100927 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/27/4 来源: MLIST 名称: [oss-security] 20100921 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/21/8 来源: MLIST 名称: [oss-security] 20100921 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/21/3 来源: git.altlinux.org 链接:http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=843807a3a90f52e7538be756616510730a24739a 来源: MLIST 名称: [oss-security] 20100924 Re: Minor security flaw with pam_xauth 链接:http://www.openwall.com/lists/oss-security/2010/09/24/2 来源: MLIST 名称: [oss-security] 20100921 Re: Minor security flaw with pam_xauth 链接:http://www.openwall.com/lists/oss-security/2010/09/21/11 来源: MLIST 名称: [oss-security] 20100928 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/27/10 来源: MLIST 名称: [oss-security] 20100921 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/21/9 来源: MLIST 名称: [oss-security] 20100921 Re: Minor security flaw with pam_xauth 链接:http://openwall.com/lists/oss-security/2010/09/21/10 来源:NSFOCUS 名称:15969 链接:http://www.nsfocus.net/vulndb/15969
受影响实体
- Kernel Linux-Pam:1.1.2
- Linux-Pam Linux-Pam:1.1.2
补丁
- pam.git-843807a3a90f52e7538be756616510730a24739a
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