Debian Security Bug TrackerDEBIANCVE:CVE-2022-37797CVE-2022-37797
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
57.7%
In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | lighttpd | < 1.4.66-1 | lighttpd_1.4.66-1_all.deb |
| Debian | 11 | all | lighttpd | < 1.4.59-1+deb11u2 | lighttpd_1.4.59-1+deb11u2_all.deb |
| Debian | 999 | all | lighttpd | < 1.4.66-1 | lighttpd_1.4.66-1_all.deb |
| Debian | 13 | all | lighttpd | < 1.4.66-1 | lighttpd_1.4.66-1_all.deb |
Related
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
57.7%