Vulnerability Monitor

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CVE-2010-3430

The privilege-dropping implementation in the (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) 1.1.2 does not perform the required setfsgid and setgroups system calls, which might allow local users to obtain sensitive information by leveraging unintended group permissions, 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.

Published

2011-01-24T18:00:01.907

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:N/A:N

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	linux-pam	linux-pam	1.1.2	Yes

References

http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=843807a3a90f52e7538be756616510730a24739a ([email protected])
http://openwall.com/lists/oss-security/2010/09/21/10 ([email protected])
http://openwall.com/lists/oss-security/2010/09/21/3 Patch ([email protected])
http://openwall.com/lists/oss-security/2010/09/21/8 Patch ([email protected])
http://openwall.com/lists/oss-security/2010/09/21/9 ([email protected])
http://openwall.com/lists/oss-security/2010/09/27/10 ([email protected])
http://openwall.com/lists/oss-security/2010/09/27/4 Patch ([email protected])
http://openwall.com/lists/oss-security/2010/09/27/5 Patch ([email protected])
http://openwall.com/lists/oss-security/2010/09/27/7 Patch ([email protected])
http://openwall.com/lists/oss-security/2010/10/03/1 Patch ([email protected])
http://openwall.com/lists/oss-security/2010/10/25/2 Patch ([email protected])
http://secunia.com/advisories/49711 ([email protected])
http://security.gentoo.org/glsa/glsa-201206-31.xml ([email protected])
http://www.openwall.com/lists/oss-security/2010/09/21/11 ([email protected])
http://www.openwall.com/lists/oss-security/2010/09/24/2 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=641361 Patch ([email protected])
http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=843807a3a90f52e7538be756616510730a24739a (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/21/10 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/21/3 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/21/8 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/21/9 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/27/10 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/27/4 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/27/5 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/09/27/7 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/10/03/1 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2010/10/25/2 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/49711 (af854a3a-2127-422b-91ae-364da2661108)
http://security.gentoo.org/glsa/glsa-201206-31.xml (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/09/21/11 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/09/24/2 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=641361 Patch (af854a3a-2127-422b-91ae-364da2661108)