CVE-2017-15107 Affecting dnsmasq package, versions <2.75-1ubuntu0.16.04.10
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-DNSMASQ-356274
- published23 Jan 2018
- disclosed23 Jan 2018
Introduced: 23 Jan 2018
CVE-2017-15107 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 dnsmasq to version 2.75-1ubuntu0.16.04.10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dnsmasq package and not the dnsmasq package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-15107
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15107
- https://security-tracker.debian.org/tracker/CVE-2017-15107
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q1/011896.html
- http://www.securityfocus.com/bid/102812
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00027.html