#VU19531 Integer overflow in xpdf - CVE-2019-14289

Vulnerability identifier: #VU19531

Vulnerability risk: High

CVSSv4.0: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2019-14289

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xpdf
Client/Desktop applications / Office applications

Vendor: Glyph & Cog

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow within the JBIG2Bitmap::combine in JBIG2Stream.cc for the "multiple bytes per line" case. A remote attacker can create a specially crafted PDF file, pass it to the affected application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

xpdf: 4.01.01

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External links
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41851
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/4.01.01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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.