CVE-2022-26129: Buffer Overflow
Buffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the subtlv length in the functions, parsehellosubtlv, parseihusubtlv, and parseupdatesubtlv in babeld/message.c.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/frrto a version that resolves this vulnerability.Fixed in 8.4.4-1.1~deb12u2Fixed in 10.3-3+deb13u1Fixed in 10.7.1-6 - Upgrade
Upgrade
alpine/frrto a version that resolves this vulnerability.Fixed in 8.2.1-r0 - Upgrade
Upgrade
debian/frrto a version that resolves this vulnerability.Fixed in 8.4.1-1
Event History
Frequently Asked Questions
What is CVE-2022-26129?
CVE-2022-26129 is a vulnerability that exists in FRRouting through version 8.1.0.
What is the severity of CVE-2022-26129?
CVE-2022-26129 has a severity score of 7.8 (high).
How does CVE-2022-26129 affect FRRouting?
CVE-2022-26129 causes buffer overflow vulnerabilities due to incorrect checks on the subtlv length in certain functions in babeld/message.c.
Which versions of FRRouting are affected by CVE-2022-26129?
FRRouting versions up to and including 8.1.0 are affected by CVE-2022-26129.
How can I fix CVE-2022-26129 in FRRouting?
To fix CVE-2022-26129 in FRRouting, you should update to version 8.4.4-1.1 or later. If you are using the Debian package, update to version 6.0.2-2+deb10u1, 7.5.1-1.1+deb10u1, or 7.5.1-1.1+deb11u2.