CVE-2010-3435

Description

The (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) before 1.1.2 use root privileges during read access to files and directories that belong to arbitrary user accounts, which might allow local users to obtain sensitive information by leveraging this filesystem activity, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.

4.7

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.09%

Vendor Advisory gentoo.org Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory redhat.com

Affected: n/a n/a

References

Link	Tags
http://openwall.com/lists/oss-security/2010/09/27/5	mailing list patch
http://openwall.com/lists/oss-security/2010/09/21/3	mailing list patch
http://security.gentoo.org/glsa/glsa-201206-31.xml	vendor advisory
http://lists.vmware.com/pipermail/security-announce/2011/000126.html	mailing list
http://www.vupen.com/english/advisories/2011/0606	vdb entry
http://www.securityfocus.com/archive/1/516909/100/0/threaded	mailing list
http://www.openwall.com/lists/oss-security/2010/09/24/2	mailing list
http://openwall.com/lists/oss-security/2010/09/27/10	mailing list
http://openwall.com/lists/oss-security/2010/09/27/4	mailing list patch
http://www.mandriva.com/security/advisories?name=MDVSA-2010:220	vendor advisory
http://secunia.com/advisories/49711	third party advisory
http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=06f882f30092a39a1db867c9744b2ca8d60e4ad6
http://openwall.com/lists/oss-security/2010/09/27/7	mailing list patch
http://www.redhat.com/support/errata/RHSA-2010-0891.html	vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=641335	patch
http://openwall.com/lists/oss-security/2010/10/25/2	mailing list patch
http://www.redhat.com/support/errata/RHSA-2010-0819.html	vendor advisory
http://www.vmware.com/security/advisories/VMSA-2011-0004.html
http://openwall.com/lists/oss-security/2010/09/27/8	mailing list

Frequently Asked Questions

What is the severity of CVE-2010-3435?: CVE-2010-3435 has been scored as a medium severity vulnerability.
How to fix CVE-2010-3435?: To fix CVE-2010-3435, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-3435 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2010-3435 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.