Adobe Lightroom 4.4 UAF in TIFF parsing leading to privilege escalation
CVE-2021-43753 Published on September 7, 2023
Adobe Lightroom TIF File Parsing Use-After-Free Information Disclosure Vulnerability
Adobe Lightroom versions 4.4 (and earlier) are affected by a use-after-free vulnerability in the processing of parsing TIF files that could result in privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Vulnerability Analysis
CVE-2021-43753 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2021-43753 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2021-43753
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Affected Versions
Adobe Lightroom Desktop:- Before and including 4.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.