Vulnerability · Published Nov 20, 2023 · Assigned by icscert
CVE-2021-22636Texas Instruments TI-RTOS Integer Overflow or Wraparound
High 7.4
In plain English
A high-severity integer overflow in CC32XX from Texas Instruments. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.3%top 79.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Texas Instruments TI-RTOS, when configured to use HeapMem heap(default), malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'HeapMem_allocUnprotected' and result in code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Texas Instruments | CC32XX | 0 – before 4.40.00.07 |
| Texas Instruments | SimpleLink MSP432E4XX | all versions |
| Texas Instruments | SimpleLink-CC13XX | 0 – before 4.40.00 |
| Texas Instruments | SimpleLink-CC26XX | 0 – before 4.40.00 |
| Texas Instruments | SimpleLink-CC32XX | 0 – before 4.10.03 |
Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H