Vulnerability · Published Aug 31, 2022 · Assigned by zephyr

CVE-2022-1841Out-of-bound write in tcp_flags

High 7.2

In plain English

A high-severity out-of-bounds write in zephyr from zephyrproject-rtos. 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 48% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.6%top 51.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In subsys/net/ip/tcp.c , function tcp_flags , when the incoming parameter flags is ECN or CWR , the buf will out-of-bounds write a byte zero.

Affected products (as reported)

VendorProductVersions
zephyrproject-rtos zephyr unspecified – through v3.0

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

References