CVE-2017-1000353

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.45% Top 5%
Vendor Advisory jenkins.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/41965/ exploit vdb entry third party advisory
http://www.securityfocus.com/bid/98056 vdb entry broken link
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://jenkins.io/security/advisory/2017-04-26/ vendor advisory
http://packetstormsecurity.com/files/159266/Jenkins-2.56-CLI-Deserialization-Code-Execution.html vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-1000353?
CVE-2017-1000353 has been scored as a critical severity vulnerability.
How to fix CVE-2017-1000353?
To fix CVE-2017-1000353, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-1000353 being actively exploited in the wild?
It is possible that CVE-2017-1000353 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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