Infinite loop in Poppler - CVE-2017-14519

 

Infinite loop in Poppler - CVE-2017-14519

Published: October 3, 2017


Vulnerability identifier: #VU8667
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14519
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Freedesktop.org
Affected software:
Poppler

Detailed vulnerability description

The vulnerability allows a remote attacker to cause a denial of service (DoS) conditions.

The vulnerability exists due to an error in  Object::streamGetChar in Object.h after a repeating series of Gfx::display, Gfx::go, Gfx::execOp, Gfx::opShowText, and Gfx::doShowText calls when processing PDF documents. A remote attacker can send a specially crafted document, trigger infinite loop and perform a denial of service attack.

Successful exploitation of the vulnerability may allow an attacker to cause application crash.


How to mitigate CVE-2017-14519

Install update from vendor's repository:
https://bugs.freedesktop.org/show_bug.cgi?id=102701

Sources