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CVE-2010-3431
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 1.9/10
- Exploit Score
- 3.4/10
- Access Vector
- Local
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:a:linux-pam:linux-pam:1.1.2:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://openwall.com/lists/oss-security/2010/09/27/4
- http://openwall.com/lists/oss-security/2010/09/21/3
- http://openwall.com/lists/oss-security/2010/09/21/9
- http://openwall.com/lists/oss-security/2010/10/25/2
- http://openwall.com/lists/oss-security/2010/09/21/10
- http://openwall.com/lists/oss-security/2010/09/27/5
- http://www.openwall.com/lists/oss-security/2010/09/21/11
- http://openwall.com/lists/oss-security/2010/09/27/7
- https://bugzilla.redhat.com/show_bug.cgi?id=641361
- http://www.openwall.com/lists/oss-security/2010/09/24/2
- http://openwall.com/lists/oss-security/2010/09/21/8
- http://openwall.com/lists/oss-security/2010/09/27/10
- http://openwall.com/lists/oss-security/2010/10/03/1
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://secunia.com/advisories/49711
- http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=843807a3a90f52e753