Amazon Linux AMI : yum Remote Attack Vulnerability (ALAS-2014-315)

This script is Copyright (C) 2014 Tenable Network Security, Inc.


Synopsis :

The remote Amazon Linux AMI host is missing a security update.

Description :

The installUpdates function in yum-cron/yum-cron.py in yum 3.4.3 and
earlier does not properly check the return value of the sigCheckPkg
function, which allows remote attackers to bypass the RMP package
signing restriction via an unsigned package. (CVE-2014-0022)

See also :

http://www.nessus.org/u?e789e75e

Solution :

Run 'yum update yum' to update your system.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N)

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 73234 ()

Bugtraq ID:

CVE ID: CVE-2014-0022