CVE-2021-3773
Summary
| CVE | CVE-2021-3773 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-02-16 19:15:00 UTC |
| Updated | 2023-02-24 14:41:00 UTC |
| Description | A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Fedoraproject | Fedora | 34 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Application | Oracle | Communications Cloud Native Core Binding Support Function | 22.1.3 | All | All | All |
| Application | Oracle | Communications Cloud Native Core Network Exposure Function | 22.1.1 | All | All | All |
| Application | Oracle | Communications Cloud Native Core Policy | 22.2.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 8.0 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 2004949 – (CVE-2021-3773) CVE-2021-3773 kernel: lack of port sanity checking in natd and netfilter leads to exploit of OpenVPN clients | MISC | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| Oracle Critical Patch Update Advisory - July 2022 | N/A | www.oracle.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
- 240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
- 240298 Red Hat Update for kernel security (RHSA-2022:1988)
- 282256 Fedora Security Update for kernel (FEDORA-2022-b7ef5c55da)
- 282260 Fedora Security Update for kernel (FEDORA-2022-a23dd56848)
- 900667 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (8676)
- 902458 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10119)
- 902516 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10117)
- 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)
- 960132 Rocky Linux Security Update for kernel-rt (RLSA-2022:1975)
- 960134 Rocky Linux Security Update for kernel (RLSA-2022:1988)