NULL pointer dereference in Adobe XMP-Toolkit-SDK - CVE-2021-40732

Vulnerability identifier: #VU64469

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-40732

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a NULL pointer dereference error in XMP-Toolkit-SDK. A local attacker can trick the victim into opening a specially crafted MXF file to leak data from certain memory locations and cause a local denial of service in the context of the current user.

Adobe XMP-Toolkit-SDK
Ubuntu
openEuler
exempi (Ubuntu package)
libexempi3 (Ubuntu package)
libexempi8 (Ubuntu package)
exempi
exempi-help
exempi-devel
exempi-debugsource
exempi-debuginfo

Install update from vendor's website.

Adobe XMP-Toolkit-SDK - update to 2021.07
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
exempi - update to 2.5.2-4
exempi-help - update to 2.5.2-4
exempi-devel - update to 2.5.2-4
exempi-debugsource - update to 2.5.2-4
exempi-debuginfo - update to 2.5.2-4

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

• Multiple vulnerabilities in Adobe XMP-Toolkit-SDK
• Ubuntu update for exempi
• openEuler 22.03 LTS SP2 update for exempi