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AUSCERT External Security Bulletin Redistribution
ESB-2021.1106
Jenkins plugins security advisory
31 March 2021
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AusCERT Security Bulletin Summary
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Product: Jenkins Plugins
Publisher: Jenkins
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Access Privileged Data -- Existing Account
Cross-site Request Forgery -- Remote with User Interaction
Cross-site Scripting -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21638 CVE-2021-21637 CVE-2021-21636
CVE-2021-21635 CVE-2021-21634 CVE-2021-21633
CVE-2021-21632 CVE-2021-21631 CVE-2021-21630
CVE-2021-21629 CVE-2021-21628
Original Bulletin:
https://www.jenkins.io/security/advisory/2021-03-30/
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Jenkins Security Advisory 2021-03-30
This advisory announces vulnerabilities in the following Jenkins deliverables:
o Build With Parameters Plugin
o Cloud Statistics Plugin
o Extra Columns Plugin
o Jabber (XMPP) notifier and control Plugin
o OWASP Dependency-Track Plugin
o REST List Parameter Plugin
o Team Foundation Server Plugin
Descriptions
Stored XSS vulnerability in Build With Parameters Plugin
SECURITY-2231 / CVE-2021-21628
Build With Parameters Plugin 1.5 and earlier does not escape parameter names
and descriptions.
This results in a stored cross-site scripting (XSS) vulnerability exploitable
by attackers with Job/Configure permission.
Build With Parameters Plugin 1.5.1 escapes parameter names and descriptions.
CSRF vulnerability in Build With Parameters Plugin
SECURITY-2257 / CVE-2021-21629
Build With Parameters Plugin 1.5 and earlier does not require POST requests for
its form submission endpoint, resulting in a cross-site request forgery (CSRF)
vulnerability.
This vulnerability allows attackers to build a project with attacker-specified
parameters.
Build With Parameters Plugin 1.5.1 requires POST requests for the affected HTTP
endpoint.
Stored XSS vulnerability in Extra Columns Plugin
SECURITY-2222 / CVE-2021-21630
Extra Columns Plugin 1.22 and earlier does not escape parameter values in the
build parameters column.
This results in a stored cross-site scripting (XSS) vulnerability exploitable
by attackers with Job/Configure permission. Additionally, a view containing
such a job needs to be configured with the build parameters column, or the
attacker also needs View/Configure permission.
Extra Columns Plugin 1.23 escapes parameter values in the build parameters
column.
Missing permission check in Cloud Statistics Plugin
SECURITY-2246 / CVE-2021-21631
Cloud Statistics Plugin 0.26 and earlier does not perform a permission check in
an HTTP endpoint.
This allows attackers with Overall/Read permission and knowledge of random
activity IDs to view related provisioning exception error messages.
Cloud Statistics Plugin 0.27 requires Overall/Administer permission to access
provisioning exception error messages.
CSRF vulnerability and missing permission checks in OWASP Dependency-Track
Plugin allow capturing credentials
SECURITY-2250 / CVE-2021-21632 (permission check), CVE-2021-21633 (CSRF)
OWASP Dependency-Track Plugin 3.1.0 and earlier does not perform permission
checks in several HTTP endpoints.
This allows attackers with Overall/Read permission to connect to an
attacker-specified URL using attacker-specified credentials IDs obtained
through another method, capturing "Secret text" credentials stored in Jenkins.
If no credentials ID is specified, the globally configured credential is used,
if set up, and can likewise be captured.
Additionally, these HTTP endpoints do not require POST requests, resulting in a
cross-site request forgery (CSRF) vulnerability.
OWASP Dependency-Track Plugin 3.1.1 requires POST requests and appropriate
permissions for the affected HTTP endpoints.
Passwords stored in plain text by Jabber (XMPP) notifier and control Plugin
SECURITY-2162 / CVE-2021-21634
Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords
unencrypted in its global configuration file
hudson.plugins.jabber.im.transport.JabberPublisher.xml on the Jenkins
controller as part of its configuration.
These passwords can be viewed by users with access to the Jenkins controller
file system.
Jabber (XMPP) notifier and control Plugin 1.42 stores passwords encrypted once
its configuration is saved again.
Stored XSS vulnerability in REST List Parameter Plugin
SECURITY-2261 / CVE-2021-21635
REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name
reference in embedded JavaScript.
This results in a stored cross-site scripting (XSS) vulnerability exploitable
by attackers with Job/Configure permission.
REST List Parameter Plugin 1.3.1 no longer identifies a parameter using
user-specified content.
Missing permission check in Team Foundation Server Plugin allows enumerating
credentials IDs
SECURITY-2283 (1) / CVE-2021-21636
Team Foundation Server Plugin 5.157.1 and earlier does not perform a permission
check in an HTTP endpoint.
This allows attackers with Overall/Read permission to enumerate credentials IDs
of credentials stored in Jenkins. Those can be used as part of an attack to
capture the credentials using another vulnerability.
As of publication of this advisory, there is no fix.
CSRF vulnerability and missing permission check in Team Foundation Server
Plugin allow capturing credentials
SECURITY-2283 (2) / CVE-2021-21637 (permission check), CVE-2021-21638 (CSRF)
Team Foundation Server Plugin 5.157.1 and earlier does not perform a permission
check in an HTTP endpoint.
This allows attackers with Overall/Read permission to connect to an
attacker-specified URL using attacker-specified credentials IDs obtained
through another method, capturing credentials stored in Jenkins.
Additionally, this HTTP endpoint does not require POST requests, resulting in a
cross-site request forgery (CSRF) vulnerability.
As of publication of this advisory, there is no fix.
Severity
o SECURITY-2162: Low
o SECURITY-2222: High
o SECURITY-2231: High
o SECURITY-2246: Low
o SECURITY-2250: Medium
o SECURITY-2257: Low
o SECURITY-2261: High
o SECURITY-2283 (1): Medium
o SECURITY-2283 (2): High
Affected Versions
o Build With Parameters Plugin up to and including 1.5
o Cloud Statistics Plugin up to and including 0.26
o Extra Columns Plugin up to and including 1.22
o Jabber (XMPP) notifier and control Plugin up to and including 1.41
o OWASP Dependency-Track Plugin up to and including 3.1.0
o REST List Parameter Plugin up to and including 1.3.0
o Team Foundation Server Plugin up to and including 5.157.1
Fix
o Build With Parameters Plugin should be updated to version 1.5.1
o Cloud Statistics Plugin should be updated to version 0.27
o Extra Columns Plugin should be updated to version 1.23
o Jabber (XMPP) notifier and control Plugin should be updated to version 1.42
o OWASP Dependency-Track Plugin should be updated to version 3.1.1
o REST List Parameter Plugin should be updated to version 1.3.1
These versions include fixes to the vulnerabilities described above. All prior
versions are considered to be affected by these vulnerabilities unless
otherwise indicated.
As of publication of this advisory, no fixes are available for the following
plugins:
o Team Foundation Server Plugin
Credit
The Jenkins project would like to thank the reporters for discovering and
reporting these vulnerabilities:
o Daniel Beck, CloudBees, Inc. for SECURITY-2162, SECURITY-2246,
SECURITY-2283 (1), SECURITY-2283 (2)
o Justin Philip for SECURITY-2250
o Kevin Guerroudj for SECURITY-2231, SECURITY-2257, SECURITY-2261
o Marc Heyries for SECURITY-2222
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
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On call after hours for member emergencies only.
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