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Mageia 8: MGASA-2021-0339 High: Avahi Service Crash Threat

mageia
Calendar Grey July 10, 2021
Dist Mageia Esm H88
Recent updates to avahi packages rectify a security vulnerability, significant for system stability. Discover the specifics of the correction and its potential impact.
A flaw was found in avahi 0.8-5

Summary

A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the service availability (CVE-2021-3502).

References

- https://bugs.mageia.org/show_bug.cgi?id=29239

- https://ubuntu.com/security/notices/USN-5008-1

- https://www.cve.org/CVERecord?id=CVE-2021-3502

Topics%20covered

Topics Covered

security advisory high severity service availability networking issue Mageia avahi service

Resolution

SRPMS

- 8/core/avahi-0.8-6.2.mga8

Publication date: 10 Jul 2021
URL: https://advisories.mageia.org/MGASA-2021-0339.html
Type: security
CVE: CVE-2021-3502

Topics%20covered

Topics Covered

security advisory high severity service availability networking issue Mageia avahi service

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