CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
51.7%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | varnish | < 7.1.1-1 | varnish_7.1.1-1_all.deb |
Debian | 11 | all | varnish | < 6.5.1-1+deb11u3 | varnish_6.5.1-1+deb11u3_all.deb |
Debian | 999 | all | varnish | < 7.1.1-1 | varnish_7.1.1-1_all.deb |
Debian | 13 | all | varnish | < 7.1.1-1 | varnish_7.1.1-1_all.deb |