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Jenkins Advisory 2017-04-26: CVE-2017-1000353: CLI: Unauthenticated remote code execution

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Jenkins Advisory 2017-04-26: CVE-2017-1000353: CLI: Unauthenticated remote code execution

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
11/13/2017
Created
07/25/2018
Added
11/13/2017
Modified
02/15/2024

Description

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.

Solution(s)

  • jenkins-lts-upgrade-2_46_1
  • jenkins-lts-upgrade-2_46_2
  • jenkins-upgrade-2_57

References

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