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SSRF vulnerability in Jenkins Bitbucket Push and Pull Request Plugin allows capturing credentials

High severity GitHub Reviewed Published Sep 6, 2023 to the GitHub Advisory Database • Updated Jan 30, 2024

Package

maven io.jenkins.plugins:bitbucket-push-and-pull-request (Maven)

Affected versions

>= 2.4.0, <= 2.8.3

Patched versions

2.8.4

Description

Jenkins Bitbucket Push and Pull Request Plugin 2.4.0 through 2.8.3 (both inclusive) trusts values provided in the webhook payload, including certain URLs, and uses configured Bitbucket credentials to connect to those URLs, allowing attackers to capture Bitbucket credentials stored in Jenkins by sending a crafted webhook payload.

References

Published by the National Vulnerability Database Sep 6, 2023
Published to the GitHub Advisory Database Sep 6, 2023
Reviewed Jan 30, 2024
Last updated Jan 30, 2024

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

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(47th percentile)

Weaknesses

CVE ID

CVE-2023-41937

GHSA ID

GHSA-vrpg-c7c4-8mpx

Source code

No known source code
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