Vulnerability in Nlnetlabs Unbound
CVE-2009-3602
Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.030 (86.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Nlnetlabs Unbound — versions 0.0, 0.1, 0.2
Weakness classification (CWE)
References
- secunia.com/advisories/37913 (third-party-advisory)
- www.openwall.com/lists/oss-security/2009/10/09/3 (mailing-list)
- secunia.com/advisories/36996 (Vendor Advisory, third-party-advisory)
- unbound.net/pipermail/unbound-users/2009-October/000852.html (Vendor Advisory, mailing-list)
- www.vupen.com/english/advisories/2009/2875 (vdb-entry, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/53729 (vdb-entry)
- www.openwall.com/lists/oss-security/2009/10/09/2 (mailing-list)
- osvdb.org/58836 (vdb-entry)
- www.debian.org/security/2009/dsa-1963 (vendor-advisory)