Vulnerability identifier: #VU16348

Vulnerability risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-19060

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Poppler
Client/Desktop applications / Office applications

Vendor: Freedesktop.org

Description

The vulnerability allows a remote attacker to cause DoS condicion on the target system.

The vulnerability exists due to NULL pointer dereference condition in the GooString.h source code file when the filenames of embedded files are insufficiently validated before a save path is constructed. A remote attacker can trick the victim into accessing an embedded file that submits malicious input, trigger a NULL pointer dereference and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Poppler: 0.71.0

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External links
http://gitlab.freedesktop.org/poppler/poppler/issues/660

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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, proof of concept for this vulnerability is available.