Vulnerability identifier: #VU42367

Vulnerability 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-2013-4557

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SPIP
Web applications / CMS

Vendor: spip.net

Description

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

The Security Screen (_core_/securite/ecran_securite.php) before 1.1.8 for SPIP, as used in SPIP 3.0.x before 3.0.12, allows remote attackers to execute arbitrary PHP via the connect parameter.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SPIP: 3.0.0 - 3.0.11

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External links
http://secunia.com/advisories/55551
http://www.openwall.com/lists/oss-security/2013/11/10/4
http://www.securitytracker.com/id/1029317
http://www.spip.net/fr_article5646.html
http://www.spip.net/fr_article5648.html
http://zone.spip.org/trac/spip-zone/changeset/75105/_core_/securite/ecran_securite.php
http://www.debian.org/security/2013/dsa-2794

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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.