| Name | CVE-2017-15107 |
| Description | A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-828-1 |
| Debian Bugs | 888200 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dnsmasq (PTS) | jessie, jessie (lts) | 2.72-3+deb8u7 | fixed |
| stretch (security) | 2.76-5+deb9u3 | vulnerable |
| stretch (lts), stretch | 2.76-5+deb9u4 | fixed |
| buster, buster (lts) | 2.80-1+deb10u2 | fixed |
| buster (security) | 2.80-1+deb10u1 | fixed |
| bullseye | 2.85-1 | fixed |
| bookworm | 2.89-1 | fixed |
| sid, trixie | 2.90-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - dnsmasq <no-dsa> (Minor issue)
[jessie] - dnsmasq <no-dsa> (Minor issue)
[wheezy] - dnsmasq <no-dsa> (Minor issue)
http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=4fe6744a220eddd3f1749b40cac3dfc510787de6
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=cd7df612b14ec1bf831a966ccaf076be0dae7404
https://medium.com/nlnetlabs/the-peculiar-case-of-nsec-processing-using-expanded-wildcard-records-ae8285f236be