CVE-2006-6870Improper Input Validation in Avahi

Severity
5.0MEDIUMNVD
EPSS
5.9%
top 9.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 31
Latest updateMay 1

Description

The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.

CVSS vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

debiandebian/avahi< avahi 0.6.16-1 (bookworm)
Debianavahi/avahi< 0.6.16-1+3
NVDavahi/avahi9 versions+8

Patches

🔴Vulnerability Details

2
GHSA
GHSA-mc78-8grw-5ghv: The consume_labels function in avahi-core/dns2022-05-01
OSV
CVE-2006-6870: The consume_labels function in avahi-core/dns2006-12-31

📋Vendor Advisories

2
Ubuntu
Avahi vulnerability2007-01-05
Debian
CVE-2006-6870: avahi - The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows re...2006

📐Framework References

1
CWE
Improper Input Validation

💬Community

4
Bugzilla
CVE-2006-6870 Maliciously crafted packed can DoS avahi daemon2007-01-07
Bugzilla
CVE-2006-6870 Maliciously crafted packed can DoS avahi daemon2007-01-06
Bugzilla
CVE-2006-6870 Maliciously crafted packed can DoS avahi daemon2007-01-04
Bugzilla
CVE-2006-6870 Maliciously crafted packed can DoS avahi daemon2007-01-04