CVE-2019-1003029

Jenkins Script Security Plugin: Sandbox Bypass

As of , CVE-2019-1003029 in Jenkins Script Security Plugin is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 25 April 2022
US federal deadline
16 May 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.74Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.67 on 25 April 2022EPSS on the day CISA listed it.
Public exploit
1 Metasploit module
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Jenkins Script Security Plugin contains a protection mechanism failure, allowing an attacker to bypass the sandbox.

CISA's description

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin 1.53 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java, src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/SecureGroovyScript.java that allows attackers with Overall/Read permission to execute arbitrary code on the Jenkins master JVM.

The CVE record's description, from jenkins

CVE published
8 March 2019
Assigned by
jenkins
CVSS
9.9 Critical (CVSS 3.1, from CISA-ADP)
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

  • Metasploit: Jenkins ACL Bypass and Metaprogramming RCEexploit module, rank excellent

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