Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS0yNndjLTN3cXAtZzNycM3mng

Deserialization of Untrusted Data in Jenkins

Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an unauthenticated remote code execution. An unauthenticated remote code execution vulnerability allowed attackers to transfer a serialized Java SignedObject object to the Jenkins CLI, that would be deserialized using a new ObjectInputStream, bypassing the existing blacklist-based protection mechanism. We're fixing this issue by adding SignedObject to the blacklist. We're also backporting the new HTTP CLI protocol from Jenkins 2.54 to LTS 2.46.2, and deprecating the remoting-based (i.e. Java serialization) CLI protocol, disabling it by default.

Permalink: https://github.com/advisories/GHSA-26wc-3wqp-g3rp
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS0yNndjLTN3cXAtZzNycM3mng
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: almost 2 years ago
Updated: about 1 year ago

CVSS Score: 9.8
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-26wc-3wqp-g3rp, CVE-2017-1000353
References:

• https://nvd.nist.gov/vuln/detail/CVE-2017-1000353
• https://jenkins.io/security/advisory/2017-04-26/
• https://www.exploit-db.com/exploits/41965/
• https://www.oracle.com/security-alerts/cpuapr2022.html
• http://packetstormsecurity.com/files/159266/Jenkins-2.56-CLI-Deserialization-Code-Execution.html
• http://www.securityfocus.com/bid/98056
• https://github.com/jenkinsci/jenkins/commit/36b8285a41eb28333549e8d851f81fd80a184076
• https://github.com/jenkinsci/jenkins/commit/f237601afd750a0eaaf961e8120b08de238f2c3f
• https://github.com/advisories/GHSA-26wc-3wqp-g3rp

Repository: https://github.com/jenkinsci/jenkins
Blast Radius: 1.0

Affected Packages