Wireshark BLF Parser DoS via Crafted Capture (v4.0.04.0.5, 3.6.03.6.13)
CVE-2023-2857 Published on May 26, 2023
BLF file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
Vulnerability Analysis
CVE-2023-2857 can be exploited 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-2023-2857. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2023-2857 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2023-2857
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Affected Versions
Wireshark Foundation Wireshark:- Version >=4.0.0, <4.0.6 is affected.
- Version >=3.6.0, <3.6.14 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.