Denial of service in LibRaw

1) Out-of-bounds read

EUVDB-ID: #VU81706

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-22628

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary condition within the LibRaw::stretch() function in librawsrcpostprocessingaspect_ratio.cpp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LibRaw: 0.19.0 - 0.19.5

External links

http://github.com/LibRaw/LibRaw/issues/269
http://lists.debian.org/debian-lts-announce/2023/09/msg00007.html

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.