Vulnerability Details : CVE-2013-2494
libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-2494
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 29 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-2494
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.9
|
MEDIUM | AV:N/AC:H/Au:S/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2013-2494
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-2494
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https://kb.isc.org/article/AA-00880/
CVE-2013-2494: A Vulnerability in libdns Could Cause Excessive Memory Use in ISC DHCP 4.2 - Security AdvisoriesVendor Advisory
Products affected by CVE-2013-2494
- cpe:2.3:a:isc:dhcp:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.1:b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.2:rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.2:b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.3:p1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.3:p2:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.4:p1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.2.5:*:*:*:*:*:*:*