6.5

CVE-2021-36740

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Varnish-cache ≫ Varnish Cache SwEdition plus Version >= 6.0.0 < 6.0.8
Varnish-cache ≫ Varnish Cache Version 6.0.8 Update r1 SwEdition plus
Varnish-cache ≫ Varnish Cache Version 6.0.8 Update r2 SwEdition plus
Varnish-software ≫ Varnish Cache Version >= 6.0.0 <= 6.0.5
Varnish-software ≫ Varnish Cache SwEdition lts Version >= 6.0.0 <= 6.0.7
Varnish Cache Project ≫ Varnish Cache Version >= 5.0.0 <= 5.2.1
Varnish Cache Project ≫ Varnish Cache Version >= 6.1.0 <= 6.6.0
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Debian ≫ Debian Linux Version 10.0
Debian ≫ Debian Linux Version 11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.6% 0.726
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NIST 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:P/A:N
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

https://docs.varnish-software.com/security/VSV00007/
Vendor Advisory
Mitigation
https://github.com/varnishcache/varnish-cache/commit/82b0a629f60136e76112c6f2c6372cce77b683be
Patch
Third Party Advisory
https://github.com/varnishcache/varnish-cache/commit/9be22198e258d0e7a5c41f4291792214a29405cf
Patch
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THV2DQA2GS65HUCKK4KSD2XLN3AAQ2V5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBNLDEOTGYRIEQZBWV7F6VPYS4O2AAK/
https://varnish-cache.org/security/VSV00007.html
Vendor Advisory
Mitigation
https://www.debian.org/security/2022/dsa-5088
Third Party Advisory