Information disclosure in Adobe Lightroom

1) Use-after-free

EUVDB-ID: #VU59040

Risk: Low

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

CVE-ID: CVE-2021-43753

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a use-after-free error when processing TIFF files. A remote attacker can trick the victim to open a specially crafted TIFF file and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Lightroom: 4.0 - 4.4

External links

http://helpx.adobe.com/security/products/lightroom/apsb21-119.html
http://www.zerodayinitiative.com/advisories/ZDI-21-1581/

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.