Local Privilege Escalation in Eclipse Jetty on Unix Systems
CVE-2020-27216

7HIGH

Key Information:

Vendor

The Eclipse Foundation

Status
Eclipse Jetty
Vendor
CVE Published:
23 October 2020

What is CVE-2020-27216?

In certain versions of Eclipse Jetty, a vulnerability exists where the system's temporary directory is shared among all users, creating the potential for local privilege escalation. An attacker can race against legitimate processes to create a subdirectory, ultimately gaining access to unpacked web applications and their associated files like JAR and JSP files. If the attacker successfully executes code from this temporary directory, they could escalate their privileges on the system.

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Affected Version(s)

Eclipse Jetty 1.0 to 9.4.32.v20200930

Eclipse Jetty 10.0.0.alpha1 to 10.0.0.beta2

Eclipse Jetty 11.0.0.alpha1 to 11.0.0.beta2

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=567921
x_refsource_CONFIRM
https://github.com/eclipse/jetty.project/security/advisor...
x_refsource_CONFIRM
https://lists.apache.org/thread.html/re08b03cd1754b32f342...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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