The RFC 5011 implementation in rdata.c in ISC BIND 9.7.x and 9.8.x before 9.8.5-P2, 9.8.6b1, 9.9.x before 9.9.3-P2, and 9.9.4b1, and DNSco BIND 9.9.3-S1 before 9.9.3-S1-P1 and 9.9.4-S1b1, allows remote attackers to cause a denial of service (assertion failure and named daemon exit) via a query with a malformed RDATA section that is not properly handled during construction of a log message, as exploited in the wild in July 2013.
Published 2013-07-29 13:59:38
Updated 2019-04-22 17:48:01
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2013-4854

Top countries where our scanners detected CVE-2013-4854
Top open port discovered on systems with this issue 53
IPs affected by CVE-2013-4854 145,554
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2013-4854

Probability of exploitation activity in the next 30 days: 95.80%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2013-4854

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.8
HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
NIST

References for CVE-2013-4854

Products affected by CVE-2013-4854

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