CVE-2020-12283 Information

Description

Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go such as for the //foo//example.com substring.

CVSS Vector

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

Reference

https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64 https://github.com/sourcegraph/sourcegraph/compare/v3.15.0…v3.15.1 https://github.com/sourcegraph/sourcegraph/pull/10167

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1