#VU29121 Buffer overflow in libjpeg


Published: 2020-06-17

Vulnerability identifier: #VU29121

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

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 - 9c


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


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.


Latest bulletins with this vulnerability