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Sensitive information sent via URL parameters

Description​

The system sends sensitive information via URL parameters using the GET method. These parameters are:

  • Stored in clear text in the browser history.
  • Sent to external sites via the referrer HTTP header.
  • Sent to external sites via the search bar if the browser interprets the URL as a query.
  • Visible to scripts running on the browser that may belong to third-parties.

Impact​

Obtain sensitive information from application URLs.

Recommendation​

Guarantee that the sessions ID are sent through secure methods (POST) or obtain the cookies session.

Threat​

Anonymous attacker from adjacent network performing a sniffing attack.

Expected Remediation Time​

⌚ 60 minutes.

Score​

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

Base​

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

Temporal​

  • Exploit code maturity: X
  • Remediation level: X
  • Report confidence: X

Result​

  • Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:X/RL:X/RC:X
  • Score:
    • Base: 5.5
    • Temporal: 5.5
  • Severity:
    • Base: Medium
    • Temporal: Medium

Score 4.0​

Default score using CVSS 4.0 . It may change depending on the context of the src.

Base 4.0​

  • Attack vector: L
  • Attack complexity: L
  • Attack Requirements: N
  • Privileges required: N
  • User interaction: P
  • Confidentiality (VC): H
  • Integrity (VI): N
  • Availability (VA): N
  • Confidentiality (SC): N
  • Integrity (SI): N
  • Availability (SA): N

Threat 4.0​

  • Exploit maturity: X

Result 4.0​

  • Vector string: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
  • Score:
    • CVSS-BT: 6.8
  • Severity:
    • CVSS-BT: Medium

Requirements​

Fixes​

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