Detections
Analytics
RHEL 8 : Red Hat OpenStack Platform 16.1 (etcd) (RHSA-2021:5072)
high Nessus Plugin ID 156004
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:5072 advisory.- golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525)
- golang: net: lookup functions may return invalid host names (CVE-2021-33195)
- golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)
- golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected etcd package.See Also
https://access.redhat.com/security/cve/CVE-2021-31525
https://access.redhat.com/security/cve/CVE-2021-33195
https://access.redhat.com/security/cve/CVE-2021-33197
https://access.redhat.com/security/cve/CVE-2021-33198
https://access.redhat.com/errata/RHSA-2021:5072
https://bugzilla.redhat.com/1958341
https://bugzilla.redhat.com/1989564
Plugin Details
Severity: High
ID: 156004
File Name: redhat-RHSA-2021-5072.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 12/11/2021
Updated: 11/22/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-33195
CVSS v3
Risk Factor: High
Base Score: 7.3
Temporal Score: 6.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:etcd
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 12/9/2021
Vulnerability Publication Date: 5/27/2021
Reference Information
CVE: CVE-2021-31525, CVE-2021-33195, CVE-2021-33197, CVE-2021-33198