Mageia 2021-0059: dnsmasq security update
Summary
Multiples vulnerabilities have been discovered in dnsmasq up to version 2.82:
- subtle errors in dnsmasq's protections against cache-poisoning attacks
(CVE-2020-25684, CVE-2020-25685 and CVE-2020-25686)
- buffer overflow in dnsmasq's DNSSEC code (CVE-2020-25681,
CVE-2020-25682, CVE-2020-25683 and CVE-2020-25687)
References
- https://bugs.mageia.org/show_bug.cgi?id=28169
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2021q1/014599.html
- https://www.openwall.com/lists/oss-security/2021/01/19/1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25681
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25682
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25683
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25684
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25685
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25686
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25687
Resolution
MGASA-2021-0059 - Updated dnsmasq packages fix security vulnerability
SRPMS
- 7/core/dnsmasq-2.83-1.mga7