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Amazon Linux: Security Advisory (ALAS-2013-160)

Information

Severity

Severity

Medium

Family

Family

Amazon Linux Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.6

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

2 years ago

Summary

The remote host is missing an update announced via the referenced Security Advisory.

Insight

Insight

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

Solution

Run yum update pam to update your system.

Common Vulnerabilities and Exposures (CVE)