Detections
Analytics
RHEL 7 : rh-varnish6-varnish (RHSA-2021:2993)
medium Nessus Plugin ID 152347
Language:
Synopsis
The remote Red Hat host is missing a security update.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2993 advisory.- varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request (CVE-2021-36740)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://access.redhat.com/security/cve/CVE-2021-36740
Plugin Details
Severity: Medium
ID: 152347
File Name: redhat-RHSA-2021-2993.nasl
Version: 1.7
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 8/9/2021
Updated: 5/24/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.5
CVSS v2
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 4.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
CVSS Score Source: CVE-2021-36740
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:rh-varnish6-varnish-libs, p-cpe:/a:redhat:enterprise_linux:rh-varnish6-varnish-docs, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:rh-varnish6-varnish, p-cpe:/a:redhat:enterprise_linux:rh-varnish6-varnish-devel, p-cpe:/a:redhat:enterprise_linux:rh-varnish6-varnish-modules
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 8/3/2021
Vulnerability Publication Date: 7/14/2021
Reference Information
CVE: CVE-2021-36740