CVE-2013-4854
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)34%
AV:N/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.fedoraproject.org/pipermail/package-announce/2013-August/113108.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-August/113251.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00018.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2013-1114.htmlAdvisory
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0030.html
- http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html
- http://linux.oracle.com/errata/ELSA-2014-1244