Detections
Analytics
GLSA-200903-39 : pam_krb5: Privilege escalation
medium Nessus Plugin ID 36027
Synopsis
The remote Gentoo host is missing one or more security-related patches.Description
The remote host is affected by the vulnerability described in GLSA-200903-39 (pam_krb5: Privilege escalation)The following vulnerabilities were discovered:
pam_krb5 does not properly initialize the Kerberos libraries for setuid use (CVE-2009-0360).
Derek Chan reported that calls to pam_setcred() are not properly handled when running setuid (CVE-2009-0361).
Impact :
A local attacker could set an environment variable to point to a specially crafted Kerberos configuration file and launch a PAM-based setuid application to elevate privileges, or change ownership and overwrite arbitrary files.
Workaround :
There is no known workaround at this time.
Solution
All pam_krb5 users should upgrade to the latest version:# emerge --sync # emerge --ask --oneshot --verbose '>=sys-auth/pam_krb5-3.12'
See Also
Plugin Details
Severity: Medium
ID: 36027
File Name: gentoo_GLSA-200903-39.nasl
Version: 1.17
Type: local
Family: Gentoo Local Security Checks
Published: 3/27/2009
Updated: 1/6/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.2
Temporal Score: 4.9
Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:gentoo:linux:pam_krb5, cpe:/o:gentoo:linux
Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/25/2009
Reference Information
CVE: CVE-2009-0360, CVE-2009-0361