Out-of-bounds read in Adobe XMP-Toolkit-SDK - CVE-2021-40716

Vulnerability identifier: #VU56596

CSH Severity: Low

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-40716

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Adobe XMP-Toolkit-SDK
Ubuntu
exempi (Ubuntu package)
libexempi3 (Ubuntu package)
libexempi8 (Ubuntu package)

Install updates from vendor's website.

Adobe XMP-Toolkit-SDK - update to 2021.08
exempi (Ubuntu package) - addressed in versions 2.4.5-2ubuntu0.1, 2.5.1-1ubuntu0.1, 2.5.2-1ubuntu0.21.10.1, 2.5.2-1ubuntu0.22.04.1
libexempi3 (Ubuntu package) - update to 2.4.5-2ubuntu0.1
libexempi8 (Ubuntu package) - addressed in versions 2.5.1-1ubuntu0.1, 2.5.2-1ubuntu0.21.10.1, 2.5.2-1ubuntu0.22.04.1

• https://helpx.adobe.com/security/products/xmpcore/apsb21-85.html

• Information disclosure in Adobe XMP-Toolkit-SDK
• Ubuntu update for exempi