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Sensitive information in source code - Git history

Description

Sensitive information such as usernames, service credentials or access tokens can be found in the git history.

Impact

Obtain sensitive information to compromise more resources or services.

Recommendation

  • Remove the sensitive information from the Git history.
  • Change the compromised access credentials.

Threat

Authenticated user from Internet with access to the source code.

Expected Remediation Time

⌚ 120 minutes.

Score

Default score using CVSS 3.1. It may change depending on the context of the vulnerability.

Base

  • Attack vector: N
  • Attack complexity: L
  • Privileges required: L
  • User interaction: N
  • Scope: U
  • Confidentiality: L
  • Integrity: N
  • Availability: N

Temporal

  • Exploit code madurity: P
  • Remediation level: U
  • Report confidence: C

Result

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C
  • Score:
    • Base: 4.3
    • Temporal: 4.1
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples

Compliant code

If there is sensitive information in the git history, the repo could be cleared with $ rm -rf .git Resetting the git history without the sensitive commit information

Non compliant code

A file found in the git history has sensitive information like API Keys

commit ~HASH (HEAD -> master, origin/master, origin/HEAD)
Author: user
Date: Tue Jun 28 12:57:38 2022 -0500
commit message

diff --git mypath
index 6894a51802..99d0f0a22f 100644
--- a/integrates/front/src/components/Button/index.tsx
+++ b/integrates/front/src/components/Button/index.tsx
@@ -6,41 +6,41 @@ public void (*args) {
interface IVariant {
- userAdmin: "Myuser";
- password: "exposedPassword";
+ password: {mykeysecret};
}
}

Requirements

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