Resource management error in linux-pam - CVE-2010-4707
Published: January 24, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45412
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-4707
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.
Affected software
linux-pam
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2010-4707
Install update from vendor's website.
External References
- http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9
- http://openwall.com/lists/oss-security/2010/10/03/1
- http://secunia.com/advisories/49711
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.securityfocus.com/bid/46045
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65036