The fr_dhcp_decode function in lib/dhcp.c in FreeRADIUS 2.1.9, in certain...
Vulnerability Description
The fr_dhcp_decode function in lib/dhcp.c in FreeRADIUS 2.1.9, in certain non-default builds, does not properly handle the DHCP Relay Agent Information option, which allows remote attackers to cause a denial of service (infinite loop and daemon outage) via a packet that has more than one sub-option. NOTE: some of these details are obtained from third party information.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://github.com/alandekok/freeradius-server/commit/4dc7800b866f889a1247685bbaa6dd4238a56279
- http://secunia.com/advisories/41621
- http://www.openwall.com/lists/oss-security/2010/10/01/3
- http://freeradius.org/press/index.html#2.1.10
- http://www.openwall.com/lists/oss-security/2010/10/01/8
- https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=77
- https://bugzilla.redhat.com/show_bug.cgi?id=639390
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.