Amazon Linux AMI update for openswan

Published: 2013-05-24

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2013-2053
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32677

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-2053

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records.

Mitigation

Update the affected packages:

i686:
    openswan-doc-2.6.37-2.16.amzn1.i686
    openswan-debuginfo-2.6.37-2.16.amzn1.i686
    openswan-2.6.37-2.16.amzn1.i686

src:
    openswan-2.6.37-2.16.amzn1.src

x86_64:
    openswan-2.6.37-2.16.amzn1.x86_64
    openswan-debuginfo-2.6.37-2.16.amzn1.x86_64
    openswan-doc-2.6.37-2.16.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2013-192.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.