PT-2011-1304 · Nlnet · Unbound

Published 2011-06-02 · Updated 2011-06-14 · CVE-2009-4008

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Unbound versions prior to 1.4.4

Description The issue allows remote attackers to cause a denial of service, specifically a DNSSEC outage, by sending a crafted query. This occurs due to the mishandling of an unspecified query for signed zones, resulting in the software not sending responses.

Recommendations For versions prior to 1.4.4, update to version 1.4.4 or later to resolve the issue.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2009-4008

DSA-2243-1

Affected Products

Unbound

References · 7

• https://osv.dev/vulnerability/DEBIAN-CVE-2009-4008 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2009-4008 · Vendor Advisory
• http://unbound.nlnetlabs.nl/downloads/unbound-1.4.4.tar.gz · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2009-4008 · Security Note
• http://debian.org/security/2011/dsa-2243 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2009-4008 · Vendor Advisory
• http://packages.debian.org/changelogs/pool/main/u/unbound/unbound_1.4.6-1/changelog · Note