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CentOS 5 : pam_krb5 (CESA-2008:0907)
medium Nessus Plugin ID 43712
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Synopsis
The remote CentOS host is missing a security update.Description
An updated pam_krb5 package that fixes a security issue is now available for Red Hat Enterprise Linux 5.This update has been rated as having moderate security impact by the Red Hat Security Response Team.
The pam_krb5 module allows Pluggable Authentication Modules (PAM) aware applications to use Kerberos to verify user identities by obtaining user credentials at log in time.
A flaw was found in the pam_krb5 'existing_ticket' configuration option. If a system is configured to use an existing credential cache via the 'existing_ticket' option, it may be possible for a local user to gain elevated privileges by using a different, local user's credential cache. (CVE-2008-3825)
Red Hat would like to thank Stephane Bertin for responsibly disclosing this issue.
Users of pam_krb5 should upgrade to this updated package, which contains a backported patch to resolve this issue.
Solution
Update the affected pam_krb5 package.See Also
Plugin Details
Severity: Medium
ID: 43712
File Name: centos_RHSA-2008-0907.nasl
Version: 1.14
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 1/6/2010
Updated: 1/4/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 4.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
Vulnerability Information
CPE: p-cpe:/a:centos:centos:pam_krb5, cpe:/o:centos:centos:5
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list
Patch Publication Date: 10/5/2008
Vulnerability Publication Date: 10/3/2008
Reference Information
CVE: CVE-2008-3825