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Message-ID: <CAAWM14c8TbhXWZvNSv-g1KwNxKoF2YZTv6t-UQ-AYHRAVkX3Zw@mail.gmail.com>
Date: Wed, 12 Jan 2022 19:10:44 +0100
From: Wadeck Follonier <wfollonier@...udbees.com>
To: oss-security@...ts.openwall.com
Subject: Multiple vulnerabilities in Jenkins and Jenkins plugins
Jenkins is an open source automation server which enables developers around
the world to reliably build, test, and deploy their software.
The following releases contain fixes for security vulnerabilities:
* Jenkins 2.330
* Jenkins LTS 2.319.2
* Active Directory Plugin 2.25.1
* Badge Plugin 1.9.1
* Bitbucket Branch Source Plugin 746.v350d2781c184
* Configuration as Code Plugin 1.55.1
* Credentials Binding Plugin 1.27.1
* Docker Commons Plugin 1.18
* HashiCorp Vault Plugin 3.8.0
* Mailer Plugin 408.vd726a_1130320
* Matrix Project Plugin 1.20
* Metrics Plugin 4.0.2.8.1
* SSH Agent Plugin 1.23.2
* Warnings Next Generation Plugin 9.10.3
Additionally, we announce unresolved security issues in the following
plugins:
* batch task Plugin
* Conjur Secrets Plugin
* Debian Package Builder Plugin
* Publish Over SSH Plugin
Summaries of the vulnerabilities are below. More details, severity, and
attribution can be found here:
https://www.jenkins.io/security/advisory/2022-01-12/
We provide advance notification for security updates on this mailing list:
https://groups.google.com/d/forum/jenkinsci-advisories
If you discover security vulnerabilities in Jenkins, please report them as
described here:
https://www.jenkins.io/security/#reporting-vulnerabilities
---
SECURITY-2558 / CVE-2022-20612
Jenkins 2.329 and earlier, LTS 2.319.1 and earlier does not require POST
requests for the HTTP endpoint handling manual build requests when no
security realm is set, resulting in a cross-site request forgery (CSRF)
vulnerability.
This vulnerability allows attackers to trigger build of job without
parameters.
SECURITY-2163 / CVE-2022-20613 (CSRF) & CVE-2022-20614 (missing permission
check)
Mailer Plugin 391.ve4a_38c1b_cf4b_ and earlier does not perform a
permission check in a method implementing form validation.
This allows attackers with Overall/Read access to use the DNS used by the
Jenkins instance to resolve an attacker-specified hostname.
Additionally, this form validation method does not require POST requests,
resulting in a cross-site request forgery (CSRF) vulnerability.
SECURITY-2017 / CVE-2022-20615
Matrix Project Plugin 1.19 and earlier does not escape HTML metacharacters
in node and label names, and label descriptions.
This results in a stored cross-site scripting (XSS) vulnerability
exploitable by attackers with Agent/Configure permission.
SECURITY-2342 / CVE-2022-20616
Credentials Binding Plugin 1.27 and earlier does not perform a permission
check in a method implementing form validation.
This allows attackers with Overall/Read access to validate if a credential
ID refers to a secret file credential and whether it's a zip file.
SECURITY-1878 / CVE-2022-20617
Docker Commons Plugin 1.17 and earlier does not sanitize the name of an
image or a tag.
This results in an OS command execution vulnerability exploitable by
attackers with Item/Configure permission or able to control the contents of
a previously configured job's SCM repository.
SECURITY-2033 / CVE-2022-20618
Bitbucket Branch Source Plugin 737.vdf9dc06105be and earlier does not
perform permission checks in several HTTP endpoints.
This allows attackers with Overall/Read access 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.
SECURITY-2467 / CVE-2022-20619
Bitbucket Branch Source Plugin 737.vdf9dc06105be and earlier does not
require POST requests for an HTTP endpoint, resulting in a cross-site
request forgery (CSRF) vulnerability.
This allows attackers with Overall/Read access to connect to an
attacker-specified URL using attacker-specified credentials IDs obtained
through another method, capturing credentials stored in Jenkins.
SECURITY-2189 / CVE-2022-20620
SSH Agent Plugin 1.23 and earlier does not perform permission checks in
several HTTP endpoints.
This allows attackers with Overall/Read access 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.
SECURITY-1624 / CVE-2022-20621
Metrics Plugin 4.0.2.8 and earlier stores access keys unencrypted in its
global configuration file `jenkins.metrics.api.MetricsAccessKey.xml` on the
Jenkins controller as part of its configuration.
This access key can be viewed by users with access to the Jenkins
controller file system.
SECURITY-1389 / CVE-2022-23105
Active Directory Plugin implements two separate modes: integration with
ADSI on Windows, and an OS agnostic LDAP-based mode.
Active Directory Plugin 2.25 and earlier does not encrypt the transmission
of data between the Jenkins controller and Active Directory servers unless
it is configured to use the OS agnostic LDAP mode and the system property
`hudson.plugins.active_directory.ActiveDirectorySecurityRealm.forceLdaps`
is set to `true`.
This allows attackers able to capture network traffic between the Jenkins
controller and Active Directory servers to obtain credentials of users
logging into Jenkins, as well as credentials of the manager DN (LDAP mode)
or the Windows/Active Directory user Jenkins is running as (ADSI mode).
SECURITY-2141 / CVE-2022-23106
Configuration as Code Plugin 1.55 and earlier does not use a constant-time
comparison when checking whether two authentication tokens are equal.
This could potentially allow attackers to use statistical methods to obtain
a valid authentication token.
SECURITY-2090 / CVE-2022-23107
Warnings Next Generation Plugin 9.10.2 and earlier does not restrict the
name of a file when configuring a custom ID.
This allows attackers with Item/Configure permission to write and read
specific files with a hard-coded suffix on the Jenkins controller file
system.
SECURITY-2547 / CVE-2022-23108
Badge Plugin allows adding custom build badges with a custom description
and optionally a link to a URL.
Badge Plugin 1.9 and earlier does not escape the description and does not
check for allowed protocols when creating a badge.
This results in a stored cross-site scripting (XSS) vulnerability
exploitable by attackers with Item/Configure permission.
SECURITY-2213 / CVE-2022-23109
Pipelines display commands executed in their Pipeline step descriptions and
their output in build logs. To mask sensitive output,
Pipeline: Groovy Plugin 2.84 and earlier specified an
allowlist of known non-sensitive variables and masked everything else. This
caused problems, so Pipeline: Groovy Plugin 2.85 and newer expects pipeline
steps to explicitly specify that variables are to be treated as sensitive
and should be removed from output.
HashiCorp Vault Plugin 3.7.0 and earlier relied on the previous behavior
and did not explicitly declare variables as sensitive or redacted them.
This can result in exposure of Vault credentials in Pipeline build logs and
Pipeline step descriptions.
SECURITY-2287 / CVE-2022-23110
Publish Over SSH Plugin 1.22 and earlier does not escape the SSH server
name.
This results in a stored cross-site scripting (XSS) vulnerability
exploitable by attackers with Overall/Administer permission.
As of publication of this advisory, there is no fix.
SECURITY-2290 / CVE-2022-23111 (CSRF) & CVE-2022-23112 (missing permission
check)
Publish Over SSH Plugin 1.22 and earlier does not perform permission checks
in methods implementing connection tests.
This allows attackers with Overall/Read access to connect to an
attacker-specified SSH server using attacker-specified credentials.
Additionally, these connection tests methods do not require POST requests,
resulting in a cross-site request forgery (CSRF) vulnerability.
As of publication of this advisory, there is no fix.
SECURITY-2307 / CVE-2022-23113
Publish Over SSH Plugin 1.22 and earlier performs a validation of the file
name specifying whether it is present or not.
This results in a path traversal vulnerability allowing attackers with
Item/Configure permission to discover the name of the Jenkins controller
files.
As of publication of this advisory, there is no fix.
SECURITY-2291 / CVE-2022-23114
Publish Over SSH Plugin 1.22 and earlier stores password unencrypted in its
global configuration file
`jenkins.plugins.publish_over_ssh.BapSshPublisherPlugin.xml` on the Jenkins
controller as part of its configuration.
This password can be viewed by users with access to the Jenkins controller
file system.
As of publication of this advisory, there is no fix.
SECURITY-1025 / CVE-2022-23115
batch task Plugin 1.19 and earlier does not require POST requests for
several HTTP endpoints, resulting in cross-site request forgery (CSRF)
vulnerabilities.
These vulnerabilities allow attackers with Overall/Read access to retrieve
logs, build or delete a batch task.
As of publication of this advisory, there is no fix.
SECURITY-2522 (1) / CVE-2022-23116
Conjur Secrets Plugin 1.0.9 and earlier implements functionality that
allows agent processes to obtain the plain text of any attacker-provided
encrypted secret.
This allows attackers able to control agent processes to decrypt secrets
stored in Jenkins obtained through another method.
As of publication of this advisory, there is no fix.
SECURITY-2522 (2) / CVE-2022-23117
Conjur Secrets Plugin 1.0.9 and earlier implements functionality that
allows agent processes to obtain all username/password credentials
(Credentials Plugin) stored on the Jenkins controller.
This allows attackers able to control agent processes to retrieve those
credentials.
As of publication of this advisory, there is no fix.
SECURITY-2546 / CVE-2022-23118
Debian Package Builder Plugin 1.6.11 and earlier implements functionality
that allows agent processes to invoke command-line `git` at an
attacker-specified path on the controller.
This allows attackers able to control agent processes to invoke arbitrary
OS commands on the controller.
As of publication of this advisory, there is no fix.
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