#VU79699 Heap-based buffer overflow in jpegoptim - CVE-2023-27781

Vulnerability identifier: #VU79699

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-27781

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jpegoptim
Other software / Other software solutions

Vendor: tjko (Timo Kokkonen)

Description

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

The vulnerability exists due to a boundary error in jpegoptim.c. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

jpegoptim: 1.2.0 - 1.5.2

---

External links
https://github.com/tjko/jpegoptim/issues/132
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/66ZW65INCWSQYIT5E6N6I6PE5D7R6EK7/

---

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.