#VU29121 Buffer overflow in libjpeg - CVE-2020-14152

Vulnerability identifier: #VU29121

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-14152

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libjpeg
Universal components / Libraries / Libraries used by multiple products

Vendor: libjpeg.sourceforge.net

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack or disclose sensitive information.

The vulnerability exists due to a boundary error in "jpeg_mem_available()" function in "jmemnobs.c" file in djpeg. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and gain access to sensitive information or cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libjpeg: 6a - 9

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External links
https://www.ijg.org/files/jpegsrc.v9d.tar.gz
https://bugs.gentoo.org/727908

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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.