Amazon Linux AMI : libyaml (ALAS-2014-291)

This script is Copyright (C) 2014-2015 Tenable Network Security, Inc.

Synopsis :

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

Description :

The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before
0.1.5 performs an incorrect cast, which allows remote attackers to
cause a denial of service (application crash) and possibly execute
arbitrary code via crafted tags in a YAML document, which triggers a
heap-based buffer overflow.

See also :

Solution :

Run 'yum update libyaml' to update your system.

Risk factor :

Medium / CVSS Base Score : 6.8

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 72747 ()

Bugtraq ID:

CVE ID: CVE-2013-6393

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