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GHSA-4hjj-9gp7-4frg

HighCVSS 8.8 / 10
Published Oct 19, 2022·Last modified Nov 8, 2023
Affected Components(0)

No affected components available

Description

Pipeline: Groovy Libraries Plugin and older releases of the Pipeline: Deprecated Groovy Libraries Plugin (formerly Pipeline: Shared Groovy Libraries Plugin) define the library Pipeline step, which allows Pipeline authors to dynamically load Pipeline libraries. The return value of this step can be used to instantiate classes defined in the loaded library.

In Pipeline: Groovy Libraries Plugin 612.v84da_9c54906d and earlier and in Pipeline: Deprecated Groovy Libraries Plugin 583.vf3b_454e43966 and earlier, the library step can be used to invoke sandbox-generated synthetic constructors in crafted untrusted libraries and construct any subclassable type. This is similar to SECURITY-582 in the 2017-08-07 security advisory, but in a different plugin.

This vulnerability allows attackers with permission to define untrusted Pipeline libraries and to define and run sandboxed Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Pipeline: Groovy Libraries Plugin 613.v9c41a_160233f rejects improper calls to sandbox-generated synthetic constructors when using the library step.

Pipeline: Deprecated Groovy Libraries Plugin 588.v576c103a_ff86 no longer contains the library step. It has been moved into the Pipeline: Groovy Libraries Plugin.

Risk Scores
Base Score
8.8

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
8.1

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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