CVE-2021-29630
First published: Mon Aug 30 2021(Updated: )
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.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD FreeBSD | =11.4 | |
| FreeBSD FreeBSD | =11.4-p1 | |
| FreeBSD FreeBSD | =11.4-p10 | |
| FreeBSD FreeBSD | =11.4-p11 | |
| FreeBSD FreeBSD | =11.4-p12 | |
| FreeBSD FreeBSD | =11.4-p13 | |
| FreeBSD FreeBSD | =11.4-p2 | |
| FreeBSD FreeBSD | =11.4-p3 | |
| FreeBSD FreeBSD | =11.4-p4 | |
| FreeBSD FreeBSD | =11.4-p5 | |
| FreeBSD FreeBSD | =11.4-p6 | |
| FreeBSD FreeBSD | =11.4-p7 | |
| FreeBSD FreeBSD | =11.4-p8 | |
| FreeBSD FreeBSD | =11.4-p9 | |
| FreeBSD FreeBSD | =12.2 | |
| FreeBSD FreeBSD | =12.2-p1 | |
| FreeBSD FreeBSD | =12.2-p10 | |
| FreeBSD FreeBSD | =12.2-p2 | |
| FreeBSD FreeBSD | =12.2-p3 | |
| FreeBSD FreeBSD | =12.2-p4 | |
| FreeBSD FreeBSD | =12.2-p5 | |
| FreeBSD FreeBSD | =12.2-p6 | |
| FreeBSD FreeBSD | =12.2-p7 | |
| FreeBSD FreeBSD | =12.2-p8 | |
| FreeBSD FreeBSD | =12.2-p9 | |
| FreeBSD FreeBSD | =13.0 | |
| FreeBSD FreeBSD | =13.0-p1 | |
| FreeBSD FreeBSD | =13.0-p2 | |
| FreeBSD FreeBSD | =13.0-p3 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-29630?
CVE-2021-29630 is a vulnerability in FreeBSD versions before 13.0-STABLE n246938-0729ba2f49c9, 12.2-STABLE r370383, 11.4-STABLE r370381, 13.0-RELEASE p4, 12.2-RELEASE p10, and 11.4-RELEASE p13 that allows a malicious actor to write a response of any size to a fixed-sized buffer.
What is the severity of CVE-2021-29630?
The severity of CVE-2021-29630 is high, with a CVSS score of 8.1.
How does CVE-2021-29630 affect FreeBSD?
CVE-2021-29630 affects FreeBSD versions 11.4 through 13.0.
How can I fix CVE-2021-29630?
To fix CVE-2021-29630, users should update their FreeBSD installations to the patched versions available.
Where can I find more information about CVE-2021-29630?
More information about CVE-2021-29630 can be found in the FreeBSD security advisory and the NetApp advisory.
- collector/nvd-index
- vendor/freebsd
- canonical/freebsd freebsd
- version/freebsd freebsd/11.4
- version/freebsd freebsd/11.4-p1
- version/freebsd freebsd/11.4-p10
- version/freebsd freebsd/11.4-p11
- version/freebsd freebsd/11.4-p12
- version/freebsd freebsd/11.4-p13
- version/freebsd freebsd/11.4-p2
- version/freebsd freebsd/11.4-p3
- version/freebsd freebsd/11.4-p4
- version/freebsd freebsd/11.4-p5
- version/freebsd freebsd/11.4-p6
- version/freebsd freebsd/11.4-p7
- version/freebsd freebsd/11.4-p8
- version/freebsd freebsd/11.4-p9
- version/freebsd freebsd/12.2
- version/freebsd freebsd/12.2-p1
- version/freebsd freebsd/12.2-p10
- version/freebsd freebsd/12.2-p2
- version/freebsd freebsd/12.2-p3
- version/freebsd freebsd/12.2-p4
- version/freebsd freebsd/12.2-p5
- version/freebsd freebsd/12.2-p6
- version/freebsd freebsd/12.2-p7
- version/freebsd freebsd/12.2-p8
- version/freebsd freebsd/12.2-p9
- version/freebsd freebsd/13.0
- version/freebsd freebsd/13.0-p1
- version/freebsd freebsd/13.0-p2
- version/freebsd freebsd/13.0-p3