CVE-2017-15105
N/A
Published: January 23, 2018 at 04:00 PM UTC
Updated: June 17, 2026 at 01:07 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxUnbound
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Severity
N/A
Exploit prediction
EPSS 3%
Description
A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%v < 1.6.8
Affected range stops below 1.6.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/102817Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/01/msg00039.htmlMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/02/msg00022.htmlx_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://unbound.net/downloads/CVE-2017-15105.txtVendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3673-1/Quick Info
StatusMODIFIED
CWE
CWE-358CWE-20
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