#VU19529 Out-of-bounds read in xpdf - CVE-2019-14294

Vulnerability identifier: #VU19529

Vulnerability risk: Low

CVSSv4.0: 1.8 [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:P/U:Clear]

CVE-ID: CVE-2019-14294

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing PDF files within the JPXStream::fillReadBuf() function in JPXStream.cc. A remote attacker can create a specially crafted PDF file, pass it to the affected application, trigger out-of-bounds read error and perform denial of service attack.

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 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.