CVE-2021-3502

Name
CVE-2021-3502
Description
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/lathiat/avahi/issues/338
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1946914

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:avahi:avahi:0.8-5:*:*:*:*:*:*:* avahi == None == 0.8-5

Vulnerable and fixed packages

Source package Branch Version Maintainer Status