Samsung Blockchain Keystore OOB Write via BC_TUI_CMD_UPDATE_SCREEN
CVE-2023-21509 Published on May 4, 2023
Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.
Vulnerability Analysis
CVE-2023-21509 can be exploited with local system access, and requires user privileges. 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 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-2023-21509 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2023-21509
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Affected Versions
Samsung Mobile Samsung Blockchain Keystore:- Version unspecified and below 1.3.12.1 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.