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.
Published 2021-08-30 19:15:09
Updated 2021-12-14 21:37:55
Source FreeBSD
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Exploit prediction scoring system (EPSS) score for CVE-2021-29630

0.56%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29630

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.6
HIGH AV:N/AC:H/Au:N/C:C/I:C/A:C
4.9
10.0
NIST
8.1
HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
NIST

CWE ids for CVE-2021-29630

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-29630

Products affected by CVE-2021-29630

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