CVE-2010-3431

Description

The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-3435.

References

https://bugzilla.redhat.com/show_bug.cgi?id=641361

http://www.openwall.com/lists/oss-security/2010/09/24/2

http://www.openwall.com/lists/oss-security/2010/09/21/11

http://security.gentoo.org/glsa/glsa-201206-31.xml

http://secunia.com/advisories/49711

http://openwall.com/lists/oss-security/2010/10/25/2

http://openwall.com/lists/oss-security/2010/10/03/1

http://openwall.com/lists/oss-security/2010/09/27/7

http://openwall.com/lists/oss-security/2010/09/27/5

http://openwall.com/lists/oss-security/2010/09/27/4

http://openwall.com/lists/oss-security/2010/09/27/10

http://openwall.com/lists/oss-security/2010/09/21/9

http://openwall.com/lists/oss-security/2010/09/21/8

http://openwall.com/lists/oss-security/2010/09/21/3

http://openwall.com/lists/oss-security/2010/09/21/10

http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=843807a3a90f52e7538be756616510730a24739a

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3