Upstream information

CVE-2021-36740 at MITRE

Description

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.4
Vector AV:N/AC:L/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 8.1
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low High
Integrity Impact Low High
Availability Impact None High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1188470 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP3
  • libvarnishapi3 >= 7.1.0-bp153.2.3.1
  • varnish >= 7.1.0-bp153.2.3.1
  • varnish-devel >= 7.1.0-bp153.2.3.1
 Patchnames:
openSUSE-2022-148
openSUSE Leap 15.3
  • libvarnishapi3 >= 7.1.0-bp153.2.3.1
  • varnish >= 7.1.0-bp153.2.3.1
  • varnish-devel >= 7.1.0-bp153.2.3.1
 Patchnames:
openSUSE-2022-148

SUSE Timeline for this CVE

CVE page created: Thu Jul 15 14:54:51 2021
CVE page last modified: Tue May 23 18:09:19 2023