CVE-2021-36740
Summary
| CVE | CVE-2021-36740 |
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| State | PUBLIC |
|---|
| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2021-07-14 17:15:00 UTC |
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| Updated | 2023-11-07 03:36:00 UTC |
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| 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. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|
| Take content length into account on H/2 request bodies · varnishcache/varnish-cache@9be2219 · GitHub |
MISC |
github.com |
|
| Varnish HTTP/2 Request Smuggling -
Varnish Software Documentation |
MISC |
docs.varnish-software.com |
|
| [SECURITY] Fedora 34 Update: varnish-6.5.2-1.fc34 - package-announce - Fedora Mailing-Lists |
|
lists.fedoraproject.org |
|
| [SECURITY] Fedora 33 Update: varnish-6.4.0-5.fc33 - package-announce - Fedora Mailing-Lists |
|
lists.fedoraproject.org |
|
| Take content length into account on H/2 request bodies · varnishcache/varnish-cache@82b0a62 · GitHub |
MISC |
github.com |
|
| Debian -- Security Information -- DSA-5088-1 varnish |
DEBIAN |
www.debian.org |
|
| VSV00007 Varnish HTTP/2 Request Smuggling Attack — Varnish HTTP Cache |
MISC |
varnish-cache.org |
|
| [SECURITY] Fedora 33 Update: varnish-6.4.0-5.fc33 - package-announce - Fedora Mailing-Lists |
FEDORA |
lists.fedoraproject.org |
|
| [SECURITY] Fedora 34 Update: varnish-6.5.2-1.fc34 - package-announce - Fedora Mailing-Lists |
FEDORA |
lists.fedoraproject.org |
|
| 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
- 159325 Oracle Enterprise Linux Security Update for varnish:6 (ELSA-2021-2988)
- 179098 Debian Security Update for varnish (DSA 5088-1)
- 184862 Debian Security Update for varnish (CVE-2021-36740)
- 198827 Ubuntu Security Notification for Varnish Cache Vulnerabilities (USN-5474-1)
- 239527 Red Hat Update for rh-varnish6-varnish (RHSA-2021:2993)
- 239530 Red Hat Update for varnish:6 (RHSA-2021:2988)
- 281742 Fedora Security Update for varnish (FEDORA-2021-36e10d3f9f)
- 281743 Fedora Security Update for varnish (FEDORA-2021-cf7585f0ca)
- 376932 Alibaba Cloud Linux Security Update for varnish:6 (ALINUX3-SA-2021:0053)
- 500719 Alpine Linux Security Update for varnish
- 501788 Alpine Linux Security Update for varnish
- 504493 Alpine Linux Security Update for varnish
- 940269 AlmaLinux Security Update for varnish:6 (ALSA-2021:2988)
- 960780 Rocky Linux Security Update for varnish:6 (RLSA-2021:2988)
