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Atlantis Events vulnerable to Timing Attack

High severity GitHub Reviewed Published Jul 30, 2022 to the GitHub Advisory Database • Updated Aug 30, 2023

Package

gomod github.com/runatlantis/atlantis (Go)

Affected versions

< 0.19.7

Patched versions

0.19.7

Description

The package github.com/runatlantis/atlantis/server/controllers/events before 0.19.7 is vulnerable to Timing Attack in the webhook event validator code, which does not use a constant-time comparison function to validate the webhook secret. It can allow an attacker to recover this secret as an attacker and then forge webhook events.

References

Published by the National Vulnerability Database Jul 29, 2022
Published to the GitHub Advisory Database Jul 30, 2022
Reviewed Aug 6, 2022
Last updated Aug 30, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS score

0.162%
(53rd percentile)

Weaknesses

CVE ID

CVE-2022-24912

GHSA ID

GHSA-jxqv-jcvh-7gr4

Source code

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