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Amazon Linux AMI : pam (ALAS-2013-160)
medium Nessus Plugin ID 69719
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Synopsis
The remote Amazon Linux AMI host is missing a security update.Description
A stack-based buffer overflow flaw was found in the way the pam_env module parsed users' '~/.pam_environment' files. If an application's PAM configuration contained 'user_readenv=1' (this is not the default), a local attacker could use this flaw to crash the application or, possibly, escalate their privileges. (CVE-2011-3148)A denial of service flaw was found in the way the pam_env module expanded certain environment variables. If an application's PAM configuration contained 'user_readenv=1' (this is not the default), a local attacker could use this flaw to cause the application to enter an infinite loop. (CVE-2011-3149)
Solution
Run 'yum update pam' to update your system.See Also
Plugin Details
Severity: Medium
ID: 69719
File Name: ala_ALAS-2013-160.nasl
Version: 1.5
Type: local
Agent: unix
Published: 9/4/2013
Updated: 4/18/2018
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.8
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
Vulnerability Information
CPE: cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:pam-debuginfo, p-cpe:/a:amazon:linux:pam, p-cpe:/a:amazon:linux:pam-devel
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Patch Publication Date: 3/2/2013
Reference Information
CVE: CVE-2011-3148, CVE-2011-3149