[Secure-testing-team] Bug#888200: dnsmasq: CVE-2017-15107

[Salvatore Bonaccorso]

Source: dnsmasq
Version: 2.78-1
Severity: important
Tags: patch security upstream
Forwarded: http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html

Hi,

the following vulnerability was published for dnsmasq.

CVE-2017-15107[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-15107
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15107
[1] http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html
[2] http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=4fe6744a220eddd3f1749b40cac3dfc510787de6

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore