7-Zip Zstd Decompression Integer Underflow RCE Vulnerability
CVE-2024-11477 Published on November 22, 2024
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the implementation of Zstandard decompression. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24346.
Weakness Type
What is an Integer underflow Vulnerability?
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This can happen in signed and unsigned cases.
CVE-2024-11477 has been classified to as an Integer underflow vulnerability or weakness.
Products Associated with CVE-2024-11477
Want to know whenever a new CVE is published for 7Zip 7 Zip? stack.watch will email you.
Affected Versions
7-Zip:- Version 24.06 is affected.
- Version 24.06 and below 24.07 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.