Vulnerability identifier: #VU16349

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-2018-19058

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 attacker to cause DoS condicion on the target system.

The vulnerability exists in the EmbFile::save2 function due to insufficient stream checks by the EmbFile::save2 function, as defined in the FileSpec.cc source code file of the affected software, before an embedded file is saved. A remote attacker can trick the victim into accessing an embedded file that submits malicious input, trigger a reachable abort condition in the Object.h file 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/659

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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.