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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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