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Jenkins AbsInt a³ Plugin XML External Entity Reference vulnerability

High severity GitHub Reviewed Published Jul 6, 2023 to the GitHub Advisory Database • Updated Jul 6, 2023

Package

maven org.jenkins-ci.plugins:absint-a3 (Maven)

Affected versions

<= 1.1.0

Patched versions

None

Description

Jenkins AbsInt a³ Plugin 1.1.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

This allows attackers able to control Project File (APX) contents to have Jenkins parse a crafted XML document that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.

References

Published by the National Vulnerability Database Mar 22, 2023
Published to the GitHub Advisory Database Jul 6, 2023
Reviewed Jul 6, 2023
Last updated Jul 6, 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
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
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:L/UI:N/S:U/C:H/I:L/A:N

EPSS score

0.065%
(30th percentile)

Weaknesses

CVE ID

CVE-2023-28685

GHSA ID

GHSA-wf8m-qr47-xc9m

Source code

No known source code
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