CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
AI Score
Confidence
Low
EPSS
Percentile
81.7%
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.
Vendor | Product | Version | CPE |
---|---|---|---|
nlnetlabs | unbound | * | cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.0 | cpe:2.3:a:nlnetlabs:unbound:0.0:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.1 | cpe:2.3:a:nlnetlabs:unbound:0.1:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.2 | cpe:2.3:a:nlnetlabs:unbound:0.2:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.3 | cpe:2.3:a:nlnetlabs:unbound:0.3:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.4 | cpe:2.3:a:nlnetlabs:unbound:0.4:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.5 | cpe:2.3:a:nlnetlabs:unbound:0.5:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.6 | cpe:2.3:a:nlnetlabs:unbound:0.6:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.7 | cpe:2.3:a:nlnetlabs:unbound:0.7:*:*:*:*:*:*:* |
nlnetlabs | unbound | 0.7.1 | cpe:2.3:a:nlnetlabs:unbound:0.7.1:*:*:*:*:*:*:* |
osvdb.org/58836
secunia.com/advisories/36996
secunia.com/advisories/37913
unbound.net/pipermail/unbound-users/2009-October/000852.html
www.debian.org/security/2009/dsa-1963
www.openwall.com/lists/oss-security/2009/10/09/2
www.openwall.com/lists/oss-security/2009/10/09/3
www.vupen.com/english/advisories/2009/2875
exchange.xforce.ibmcloud.com/vulnerabilities/53729