#VU36044 Division by zero in xpdf - CVE-2019-10023

Vulnerability identifier: #VU36044

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-10023

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xpdf
Client/Desktop applications / Office applications

Vendor: Glyph & Cog

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

An issue was discovered in Xpdf 4.01.01. There is an FPE in the function PostScriptFunction::exec at Function.cc for the psOpMod case.

Mitigation
Install update from vendor's website.

Vulnerable software versions

xpdf: 4.01.01

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External links
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41276
https://usn.ubuntu.com/4042-1/

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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.