Vulnerability CVE-2021-3672: Information
Description
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
Severity: MEDIUM (5.6) Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
---|---|---|---|---|---|---|
c-ares | sisyphus | 1.17.2-alt1 | 1.28.1-alt1 | ALT-PU-2021-2494-1 | 282478 | Fixed |
c-ares | sisyphus_riscv64 | 1.18.1-alt1 | 1.28.1-alt1 | ALT-PU-2021-4410-1 | - | Fixed |
c-ares | p10 | 1.17.2-alt1 | 1.26.0-alt1 | ALT-PU-2021-2508-1 | 282480 | Fixed |
c-ares | p9 | 1.17.2-alt1 | 1.17.2-alt1 | ALT-PU-2021-2577-1 | 282608 | Fixed |
c-ares | c10f1 | 1.17.2-alt1 | 1.19.1-alt1 | ALT-PU-2021-2508-1 | 282480 | Fixed |
c-ares | c9f2 | 1.18.1-alt1 | 1.18.1-alt1 | ALT-PU-2022-3071-2 | 303505 | Fixed |
node | sisyphus | 14.17.5-alt1 | 20.12.2-alt1 | ALT-PU-2021-2497-1 | 282449 | Fixed |
node | p10 | 14.17.5-alt1 | 16.19.1-alt1 | ALT-PU-2021-2550-1 | 282492 | Fixed |
node | c10f1 | 14.17.5-alt1 | 16.19.1-alt1 | ALT-PU-2021-2550-1 | 282492 | Fixed |
node | c9f2 | 16.17.1-alt0.c9.1 | 16.19.1-alt0.c9.1 | ALT-PU-2022-3073-1 | 303505 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
---|---|
https://c-ares.haxx.se/adv_20210810.html |
|
https://bugzilla.redhat.com/show_bug.cgi?id=1988342 |
|
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf |
|
N/A |
|
GLSA-202401-02 |