In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Varnish_cache | Varnish_cache_project | 7.0.0 (including) | 7.0.0 (including) |
| Varnish_cache | Varnish_cache_project | 7.0.1 (including) | 7.0.1 (including) |
| Varnish_cache | Varnish_cache_project | 7.0.2 (including) | 7.0.2 (including) |
| Varnish_cache | Varnish_cache_project | 7.1.0 (including) | 7.1.0 (including) |
| Varnish | Ubuntu | trusty | * |
| Varnish | Ubuntu | upstream | * |
| Varnish | Ubuntu | xenial | * |
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4KVVCIQVINQQ2D7ORNARSYALMJUMP3I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TW3X4PEKC5C736SCKE2UG3Y7JWKMD2K6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2BUKFICLZBXESLQ3MXMIG3G52RZURFK/
- https://varnish-cache.org/security/VSV00009.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4KVVCIQVINQQ2D7ORNARSYALMJUMP3I/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TW3X4PEKC5C736SCKE2UG3Y7JWKMD2K6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2BUKFICLZBXESLQ3MXMIG3G52RZURFK/
- https://varnish-cache.org/security/VSV00009.html