Input validation error in Freedesktop Poppler

1) Input validation error

EUVDB-ID: #VU32603

Risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2013-4474

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Format string vulnerability in the extractPages function in utils/pdfseparate.cc in poppler before 0.24.3 allows remote attackers to cause a denial of service (crash) via format string specifiers in a destination filename.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Poppler: 0.24.0 - 0.24.2

CPE2.3

• cpe:2.3:a:freedesktop_org:poppler:0.24.0:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:poppler:0.24.1:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:poppler:0.24.2:*:*:*:*:*:*:*

External links

http://bugs.debian.org/723124
http://cgit.freedesktop.org/poppler/poppler/commit/?id=61f79b8447c3ac8ab5a26e79e0c28053ffdccf75
http://secunia.com/advisories/56567
http://security.gentoo.org/glsa/glsa-201401-21.xml
http://www.openwall.com/lists/oss-security/2013/10/29/1
http://www.securityfocus.com/bid/63374
http://www.ubuntu.com/usn/USN-2958-1
http://bugs.freedesktop.org/show_bug.cgi?id=69434

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.