#VU20053 Division by zero in Poppler - CVE-2019-14494

Vulnerability identifier: #VU20053

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14494

CWE-ID: CWE-369

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 perform denial of service (DoS) attack.

The vulnerability exists due to division by zero error when processing untrusted input in the function SplashOutputDev::tilingPatternFill at SplashOutputDev.cc. A remote attacker can create a specially crafted PDF file and crash the application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Poppler: 0.6.0 RC1 - 0.78.0

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External links
https://gitlab.freedesktop.org/poppler/poppler/issues/802
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/317

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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.