CVE-2015-5722

Impact:
Important
Public Date:
2015-09-02
CWE:
CWE-617
Bugzilla:
1259087: CVE-2015-5722 bind: malformed DNSSEC key failed assertion denial of service
A denial of service flaw was found in the way BIND parsed certain malformed DNSSEC keys. A remote attacker could use this flaw to send a specially crafted DNS query (for example, a query requiring a response from a zone containing a deliberately malformed key) that would cause named functioning as a validating resolver to crash.

Find out more about CVE-2015-5722 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (bind) RHSA-2015:1705 2015-09-03
Red Hat Enterprise Linux Advanced Update Support 6.4 (bind) RHSA-2016:0078 2016-01-28
Red Hat Enterprise Linux Extended Update Support 6.6 (bind) RHSA-2016:0079 2016-01-28
Red Hat Enterprise Linux Advanced Update Support 6.5 (bind) RHSA-2016:0078 2016-01-28
Red Hat Enterprise Linux 6 (bind) RHSA-2015:1705 2015-09-03
Red Hat Enterprise Linux 5 (bind97) RHSA-2015:1707 2015-09-03
Red Hat Enterprise Linux 5 (bind) RHSA-2015:1706 2015-09-03

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 bind Affected

Acknowledgements

Red Hat would like to thank ISC for reporting this issue. Upstream acknowledges Hanno Böck as the original reporter.

External References

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