Advisories » MGASA-2021-0059

Updated dnsmasq packages fix security vulnerability

Publication date: 29 Jan 2021
Modification date: 29 Jan 2021
Type: security
Affected Mageia releases : 7
CVE: CVE-2020-25681 , CVE-2020-25682 , CVE-2020-25683 , CVE-2020-25684 , CVE-2020-25685 , CVE-2020-25686 , CVE-2020-25687

Description

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
• http://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

SRPMS

7/core

• dnsmasq-2.83-1.mga7