Vulnerability identifier: #VU41855

Vulnerability risk: Medium

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C]

CVE-ID: CVE-2014-1691

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Horde Application Framework
Other software / Other software solutions

Vendor: Horde Project

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The framework/Util/lib/Horde/Variables.php script in the Util library in Horde before 5.1.1 allows remote attackers to conduct object injection attacks and execute arbitrary PHP code via a crafted serialized object in the _formvars form.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Horde Application Framework: 5.0.0 - 5.0.4

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External links
http://seclists.org/oss-sec/2014/q1/153
http://seclists.org/oss-sec/2014/q1/156
http://seclists.org/oss-sec/2014/q1/169
http://www.debian.org/security/2014/dsa-2853
http://github.com/horde/horde/blob/82c400788537cfc0106b68447789ff53793ac086/bundles/groupware/docs/CHANGES#L215
http://github.com/horde/horde/commit/da6afc7e9f4e290f782eca9dbca794f772caccb3

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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. However, a fully functional exploit for this vulnerability is available.