#VU74014 Out-of-bounds write in xpdf - CVE-2022-33108

Vulnerability identifier: #VU74014

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-33108

CWE-ID: CWE-787

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 compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the Object::Copy class of object.cc files. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

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

Vulnerable software versions

xpdf: 0.2 - 4.04

---

External links
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42284
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42286
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42287
https://www.xpdfreader.com/security-fixes.html#5.00

---

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.