CVE-2011-4869

2011-12-2000:00:00

ubuntu.com

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.015 Low

EPSS

Percentile

86.8%

JSON

validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform
proof processing for NSEC3-signed zones, which allows remote DNS servers to
cause a denial of service (daemon crash) via a malformed response that
lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.

OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarchunbound< 1.4.1-2ubuntu0.2UNKNOWN
ubuntu10.10noarchunbound< 1.4.5-1ubuntu1.2UNKNOWN
ubuntu11.04noarchunbound< 1.4.9-0ubuntu1.2UNKNOWN
ubuntu11.10noarchunbound< 1.4.12-1ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	10.04	noarch	unbound	< 1.4.1-2ubuntu0.2	UNKNOWN
ubuntu	10.10	noarch	unbound	< 1.4.5-1ubuntu1.2	UNKNOWN
ubuntu	11.04	noarch	unbound	< 1.4.9-0ubuntu1.2	UNKNOWN
ubuntu	11.10	noarch	unbound	< 1.4.12-1ubuntu1	UNKNOWN