CVE-2020-5280 Information

Description

http4s before versions 0.18.26 0.20.20 and 0.21.2 has a local file inclusion vulnerability. This vulnerability applies to all users of org.http4s.server.staticcontent.FileService org.http4s.server.staticcontent.ResourceService and org.http4s.server.staticcontent.WebjarService. URI normalization is applied incorrectly. Requests whose path info contain ../ or // can expose resources outside of the configured location. This issue is patched in versions 0.18.26 0.20.20 and 0.21.2. Note that 0.19.0 is a deprecated release and has never been supported.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://github.com/http4s/http4s/commit/250afddbb2e65b70ca9ddaec9d1eb3aaa56de7ec https://github.com/http4s/http4s/commit/752b3f63a05a31d2de4f8706877aa08d6b89efca https://github.com/http4s/http4s/commit/b87f31b2292dabe667bec3b04ce66176c8a3e17b https://github.com/http4s/http4s/security/advisories/GHSA-66q9-f7ff-mmx6

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5