Vulnerabilities > CVE-2020-11653 - Reachable Assertion vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| Application | 6 | |
| Application | 1 | |
| OS | 1 | |
| OS | 1 |
Common Weakness Enumeration (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00036.html
- https://varnish-cache.org/security/VSV00005.html#vsv00005
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html
- https://varnish-cache.org/security/VSV00005.html#vsv00005
- https://lists.debian.org/debian-lts-announce/2022/11/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html