Avahi: avahi wide-area dns uses constant source port
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| avahi | avahi | unaffected |
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| Red Hat | Red Hat Enterprise Linux 10 | affected |
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| Red Hat | Red Hat Enterprise Linux 9 | affected |
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| Red Hat | Red Hat Enterprise Linux 9 | affected |
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| Red Hat | Red Hat Enterprise Linux 7 | unknown | — | ||||||
| Red Hat | Red Hat Enterprise Linux 8 | affected | — | ||||||
| Red Hat | Red Hat OpenShift Container Platform 4 | affected | — |
No data.
No data.
No data available yet.
Vendor Workaround
Configure Avahi wide-area DNS queries to be forwarded through a local DNS resolver, such as systemd-resolved, rather than sent directly by Avahi. The local resolver provides source-port randomization and reduces the risk of forged DNS responses. Apply vendor fixes when they become available.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-46028 | A flaw was found in Avahi-daemon, which relies on fixed source ports for wide-area DNS queries. This issue simplifies attacks where malicious DNS responses are injected. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.622% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat rhel Els
|
|
| CPEs | cpe:/o:redhat:enterprise_linux:8 |
cpe:/a:redhat:enterprise_linux:8 cpe:/o:redhat:rhel_els:7 |
| Vendors & Products |
Redhat rhel Els
|
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | ||
| Vendors & Products |
Redhat rhivos
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat rhivos
|
|
| CPEs | cpe:/o:redhat:rhivos:1 | |
| Vendors & Products |
Redhat rhivos
|
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/o:redhat:enterprise_linux:10.0 | |
| References |
|
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/o:redhat:enterprise_linux:10 |
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb cpe:/o:redhat:enterprise_linux:9::baseos |
|
| References |
|
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Title | avahi: Avahi Wide-Area DNS Uses Constant Source Port | Avahi: avahi wide-area dns uses constant source port |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift |
|
| CPEs | cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift |
|
| References |
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in Avahi-daemon, which relies on fixed source ports for wide-area DNS queries. This issue simplifies attacks where malicious DNS responses are injected. | |
| Title | avahi: Avahi Wide-Area DNS Uses Constant Source Port | |
| Weaknesses | CWE-330 | |
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|