Vulnerability · Published Aug 30, 2021 · Assigned by freebsd

CVE-2021-29630

High 8.1

In plain English

A high-severity security flaw in FreeBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).

Severity (CVSS NVD)8.1High

Exploit odds (30 days)1.6%top 24.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In FreeBSD 13.0-STABLE before n246938-0729ba2f49c9, 12.2-STABLE before r370383, 11.4-STABLE before r370381, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, the ggatec daemon does not validate the size of a response before writing it to a fixed-sized buffer allowing a malicious attacker in a privileged network position to overwrite the stack of ggatec and potentially execute arbitrary code.

Affected products (as reported)

Vendor	Product	Versions
n/a	FreeBSD	FreeBSD 13.0-RELEASE before p4, 12.2-RELEASE before p10, 11.4-RELEASE before p13

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-21:14.ggatec.asc x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210923-0005/ x_refsource_CONFIRM