#VU34879 Input validation error in Poppler - CVE-2012-2142

Vulnerability identifier: #VU34879

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2012-2142

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Poppler
Client/Desktop applications / Office applications

Vendor: Freedesktop.org

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The error function in Error.cc in poppler before 0.21.4 allows remote attackers to execute arbitrary commands via a PDF containing an escape sequence for a terminal emulator.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Poppler: 0.21.0 - 0.21.3

---

External links
https://cgit.freedesktop.org/poppler/poppler/commit/?id=71bad47ed6a36d825b0d08992c8db56845c71e40
https://cgit.freedesktop.org/poppler/poppler/commit/NEWS?id=2bc48d5369f1dbecfc4db2878f33bdeb80d8d90f
https://lists.opensuse.org/opensuse-updates/2013-08/msg00049.html
https://www.openwall.com/lists/oss-security/2013/08/09/5
https://www.openwall.com/lists/oss-security/2013/08/09/6
https://bugzilla.redhat.com/show_bug.cgi?id=789936

---

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.