CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator (\ vs. /), allowing a user to provide a relative path, i.e. .well-known/acme-challenge/…..\asd becomes …..\asd. The extracted path is then suffixed with +http-01, joined with the cache directory, and opened. Since the controlled path is suffixed with +http-01 before opening, the impact of this is significantly limited, since it only allows reading arbitrary files on the system if and only if they have this suffix.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | golang-go.crypto | < 1:0.0~git20220829.c86fa9a-1 | golang-go.crypto_1:0.0~git20220829.c86fa9a-1_all.deb |
Debian | 11 | all | golang-go.crypto | <= 1:0.0~git20201221.eec23a3-1 | golang-go.crypto_1:0.0~git20201221.eec23a3-1_all.deb |
Debian | 999 | all | golang-go.crypto | < 1:0.0~git20220829.c86fa9a-1 | golang-go.crypto_1:0.0~git20220829.c86fa9a-1_all.deb |
Debian | 13 | all | golang-go.crypto | < 1:0.0~git20220829.c86fa9a-1 | golang-go.crypto_1:0.0~git20220829.c86fa9a-1_all.deb |