National Cyber Awareness System

Vulnerability Summary for CVE-2010-4707

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: MLIST

Name: [oss-security] 20101004 Re: Minor security flaw with pam_xauth

Type: Patch Information

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

External Source: CONFIRM

Name: http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9

Type: Patch Information

Hyperlink:http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9

External Source: XF

Name: linuxpam-checkacl-dos(65036)

Hyperlink:http://xforce.iss.net/xforce/xfdb/65036

External Source: BID

Name: 46045

Hyperlink:http://www.securityfocus.com/bid/46045

External Source: GENTOO

Name: GLSA-201206-31

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

External Source: SECUNIA

Name: 49711

Hyperlink:http://secunia.com/advisories/49711