CVE-2009-3602
N/A
Published: October 13, 2009 at 10:00 AM UTC
Updated: June 16, 2026 at 11:11 PM UTC
1 product affected across 1 vendorUnbound
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Severity
N/A
Exploit prediction
EPSS 3%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (9)
Third Party Advisoryx_refsource_SECUNIAVendor Advisory
Source: [email protected]
http://secunia.com/advisories/36996Mailing Listx_refsource_MLISTVendor Advisory
Source: [email protected]
http://unbound.net/pipermail/unbound-users/2009-October/000852.htmlVendor Advisoryx_refsource_DEBIAN
Source: [email protected]
http://www.debian.org/security/2009/dsa-1963Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2009/10/09/2Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2009/10/09/3VDB Entryx_refsource_VUPENVendor Advisory
Source: [email protected]
http://www.vupen.com/english/advisories/2009/2875Quick Info
StatusMODIFIED
CWE
CWE-310
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