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Jenkins Email Extension Plugin SMTP password transmitted and displayed in plain text

Low severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Dec 14, 2023

Package

maven org.jenkins-ci.plugins:email-ext (Maven)

Affected versions

>= 2.72, < 2.74

Patched versions

2.74

Description

Email Extension Plugin stores an SMTP password in its global configuration file hudson.plugins.emailext.ExtendedEmailPublisher.xml on the Jenkins controller as part of its configuration.

While this password is stored encrypted on disk, it is transmitted and displayed in plain text as part of the configuration form by Email Extension Plugin 2.72 and 2.73. This can result in exposure of the password.

Email Extension Plugin 2.74 transmits the SMTP password in its global configuration encrypted and masks it using a password field.

References

Published by the National Vulnerability Database Aug 12, 2020
Published to the GitHub Advisory Database May 24, 2022
Reviewed Dec 20, 2022
Last updated Dec 14, 2023

Severity

Low

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
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
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:H/PR:N/UI:N/S:U/C:L/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.
(14th percentile)

Weaknesses

Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Learn more on MITRE.

CVE ID

CVE-2020-2232

GHSA ID

GHSA-5c4v-vh95-c67c

Source code

Credits

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