CVE-2024-34144
Published: 02 May 2024
Summary
CVE-2024-34144 is a critical-severity Protection Mechanism Failure (CWE-693) vulnerability in Jenkins Script Security. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 1.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability is a sandbox bypass in the Jenkins Script Security Plugin versions 1335.vf07d9ce377a_e and earlier. It stems from the handling of crafted constructor bodies in sandboxed scripts and is tracked as CVE-2024-34144 with a CVSS score of 9.8 and CWE-693.
Attackers who already possess permission to define and execute sandboxed scripts, including Jenkins Pipelines, can exploit the flaw to escape the sandbox and run arbitrary code within the Jenkins controller JVM.
The Jenkins security advisory at https://www.jenkins.io/security/advisory/2024-05-02/#SECURITY-3341 and the associated Openwall disclosure at http://www.openwall.com/lists/oss-security/2024/05/02/3 address mitigation steps for the issue. The EPSS score for this CVE stands at 0.5636 with no material increase from a lower baseline.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-1789
Vulnerability details
A sandbox bypass vulnerability involving crafted constructor bodies in Jenkins Script Security Plugin 1335.vf07d9ce377a_e and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context…
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of the Jenkins controller JVM.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Implements a reliable, tamperproof protection mechanism whose completeness can be assured.
Procedures for training on protection mechanisms reduce the chance of protection mechanism failures being present or exploitable.
Documented procedures to implement assessment, authorization, and monitoring controls prevent these protection mechanisms from failing due to undefined processes.
Direct evaluation of whether controls produce desired security outcomes detects protection mechanism failures and enables remediation.
Requires assessment that protection mechanisms are correctly implemented and producing intended security outcomes.
The POA&M process ensures identified weaknesses in protection mechanisms are documented and scheduled for remediation, reducing the duration they remain exploitable.
Ongoing control assessments and analysis of monitoring data enable timely detection and response when protection mechanisms fail.
Impact analysis identifies changes that could weaken or disable existing protection mechanisms.