#VU69254 Out-of-bounds read in LibRaw - CVE-2020-35533

Vulnerability identifier: #VU69254

Vulnerability risk: Low

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

CVE-ID: CVE-2020-35533

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: LibRaw LLC

Description

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

The vulnerability exists due to a boundary condition within the LibRaw::adobe_copy_pixel() function in librawsrcdecodersdng.cpp. A remote attacker can trick the victim to open a specially crafted file, trigger an out-of-bounds read error and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibRaw: before 0.20.0

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External links
https://github.com/LibRaw/LibRaw/commit/a6937d4046a7c4742b683a04c8564605fd9be4fb
https://github.com/LibRaw/LibRaw/issues/273
https://lists.debian.org/debian-lts-announce/2022/09/msg00024.html

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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.