vulnwire
7.5high

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…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.0%
percentile 87%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.98% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • secunia.com /advisories/37913 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • openwall.com /lists/oss-security/2009/10/09/3 · mailing-list, x_refsource_MLIST, x_transferred
  • secunia.com /advisories/36996 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • unbound.net /pipermail/unbound-users/2009-October/000852.html · mailing-list, x_refsource_MLIST, x_transferred
  • vupen.com /english/advisories/2009/2875 · vdb-entry, x_refsource_VUPEN, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/53729 · vdb-entry, x_refsource_XF, x_transferred
  • openwall.com /lists/oss-security/2009/10/09/2 · mailing-list, x_refsource_MLIST, x_transferred
  • osvdb.org /58836 · vdb-entry, x_refsource_OSVDB, x_transferred
  • debian.org /security/2009/dsa-1963 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

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