PT-2008-1107 · Avahi+1 · Avahi+1

Jon Oberheide · Published 2008-12-17 · Updated 2024-06-15 · CVE-2008-5081

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions Avahi versions prior to 0.6.24

Description The issue allows remote attackers to cause a denial of service, potentially disrupting the availability of protected information. This can be achieved by sending a crafted mDNS packet with a source port of 0, which triggers an assertion failure in the originates from local legacy unicast socket function. The estimated number of potentially affected devices worldwide is not specified.

Recommendations For Avahi versions prior to 0.6.24, update to version 0.6.24 or later to resolve the issue. As a temporary workaround, consider restricting access to the originates from local legacy unicast socket function in the avahi-daemon to minimize the risk of exploitation.

Exploit

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

BDU:2015-09367

CVE-2008-5081

DSA-1690-1

DTSA-189-1

OPENSUSE-SU-2024:10643-1

RHSA-2009:0013

RHSA-2009_0013

Affected Products

Avahi

Red Hat

References · 30

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/mdns/avahi_portzero.rb · Exploit
• 🔥 https://exploit-db.com/exploits/7520 · Exploit
• https://bdu.fstec.ru/vul/2015-09367 · Security Note
• https://osv.dev/vulnerability/CVE-2008-5081 · Vendor Advisory
• http://security.gentoo.org/glsa/glsa-200901-11.xml · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2008-5081 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2008-5081 · Vendor Advisory
• http://debian.org/security/2008/dsa-1690 · Vendor Advisory
• http://ubuntu.com/usn/usn-696-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2008-5081 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10643-1 · Vendor Advisory
• http://securityfocus.com/bid/32825 · Note
• https://suse.com/security/cve/CVE-2021-26720 · Note
• https://suse.com/security/cve/CVE-2021-3502 · Note