Vulnerability Details : CVE-2010-3696
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2010-3696
Probability of exploitation activity in the next 30 days: 2.52%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 89 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2010-3696
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2010-3696
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2010-3696
-
http://github.com/alandekok/freeradius-server/commit/4dc7800b866f889a1247685bbaa6dd4238a56279
Fix endless loop when there are multiple DHCP options · alandekok/freeradius-server@4dc7800 · GitHubPatch
-
http://www.openwall.com/lists/oss-security/2010/10/01/8
oss-security - Re: CVE request: freeradius
-
http://freeradius.org/press/index.html#2.1.10
Releases
-
https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=77
Patch
-
https://bugzilla.redhat.com/show_bug.cgi?id=639390
639390 – (CVE-2010-3696) CVE-2010-3696 freeradius: DoS via certain DHCP requests
-
http://www.openwall.com/lists/oss-security/2010/10/01/3
oss-security - CVE request: freeradius
Products affected by CVE-2010-3696
- cpe:2.3:a:freeradius:freeradius:2.1.9:*:*:*:*:*:*:*