Vulnerability · Published May 3, 2022 · Assigned by icscert
CVE-2021-27417eCosCentric eCosPro RTOS Integer Overflow or Wraparound
Medium 4.6
In plain English
A medium-severity integer overflow in eCosPro RTOS from eCosCentric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.6%top 51.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| eCosCentric | eCosPro RTOS | 2.0.1 – through 4.5.3 |
Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:H
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 x_refsource_CONFIRM
- https://bugzilla.ecoscentric.com/show_bug.cgi?id=1002437 x_refsource_CONFIRM