Ubuntu update for bsd-mailx

1) Command injection

EUVDB-ID: #VU11823

Risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-7844

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The weakness exists due to improper handling of the parsing of email addresses. A remote attacker can execute arbitrary commands through the direct command execution functionality.

Mitigation

Update the affected packages

Ubuntu 14.10:

bsd-mailx 8.1.2-0.20131005cvs-1ubuntu0.14.10.1

Ubuntu 14.04 LTS:

bsd-mailx 8.1.2-0.20131005cvs-1ubuntu0.14.04.1

Ubuntu 12.04 LTS:

bsd-mailx 8.1.2-0.20111106cvs-1ubuntu0.1

Ubuntu 10.04 LTS:

bsd-mailx 8.1.2-0.20090911cvs-2ubuntu1.1

Vulnerable software versions

Ubuntu: 12.04 - 14.04

CPE2.3

• cpe:2.3:o:canonical:ubuntu:12.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*

External links

https://www.ubuntu.com/usn/usn-2455-1/

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.