CVE-2021-27429

Texas Instruments TI-RTOS Integer Overflow or Wraparound

CVSS 7.4 HIGHEPSS 0.3%CWE-190

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.4EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

20 Nov 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Texas Instruments TI-RTOS returns a valid pointer to a small buffer on extremely large values. This can trigger an integer overflow vulnerability in 'HeapTrack_alloc' and result in code execution.

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Texas Instruments · CC32XX Texas Instruments · SimpleLink-CC13XX Texas Instruments · SimpleLink-CC26XX Texas Instruments · SimpleLink-CC32XX Texas Instruments · SimpleLink MSP432E4XX

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References

https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 https://www.ti.com/tool/TI-RTOS-MCU