Description
c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3471-1 | c-ares security update |
Debian DSA |
DSA-5419-1 | c-ares security update |
EUVD |
EUVD-2023-36348 | c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1. |
Ubuntu USN |
USN-6164-1 | c-ares vulnerabilities |
Ubuntu USN |
USN-6164-2 | c-ares vulnerabilities |
References
History
Wed, 16 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
|
epss
|
Thu, 13 Feb 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
C-ares
C-ares c-ares |
|
| CPEs | cpe:2.3:a:c-ares:c-ares:*:*:*:*:*:*:*:* | |
| Vendors & Products |
C-ares
C-ares c-ares |
|
| Metrics |
ssvc
|
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2025-02-13T16:50:20.105Z
Reserved: 2023-05-01T16:47:35.314Z
Link: CVE-2023-32067
Updated: 2024-08-02T15:03:28.668Z
Status : Modified
Published: 2023-05-25T23:15:09.380
Modified: 2024-11-21T08:02:38.797
Link: CVE-2023-32067
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD
Ubuntu USN