7-Zip <23.00 Ppmd7.c Integer Underflow in 7Z Archives
CVE-2023-31102 Published on November 3, 2023
Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.
Vulnerability Analysis
CVE-2023-31102 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2023-31102. The potential impact of an exploit of this vulnerability is considered to be very high.
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-2023-31102 has been classified to as an Integer underflow vulnerability or weakness.
Products Associated with CVE-2023-31102
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-31102 are published in these products:
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.