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Vulnerability of Eclipse Jetty: privilege escalation via Temporary Directory Race

Synthesis of the vulnerability 

An attacker can bypass restrictions via Temporary Directory Race of Eclipse Jetty, in order to escalate his privileges.
Vulnerable products: Kafka, Debian, Jetty, WebSphere MQ, SnapCenter Backup Management, Snap Creator Framework, Oracle Communications.
Severity of this weakness: 2/4.
Creation date: 23/10/2020.
Références of this bulletin: 6409546, cpuapr2021, cpujan2021, CVE-2020-27216, DLA-2661-1, NTAP-20201123-0005, VIGILANCE-VUL-33678.

Description of the vulnerability 

An attacker can bypass restrictions via Temporary Directory Race of Eclipse Jetty, in order to escalate his privileges.
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This security alert impacts software or systems such as Kafka, Debian, Jetty, WebSphere MQ, SnapCenter Backup Management, Snap Creator Framework, Oracle Communications.

Our Vigil@nce team determined that the severity of this security weakness is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this security announce.

Solutions for this threat 

Eclipse Jetty: version 9.4.33.
The version 9.4.33 is fixed:
  https://github.com/eclipse/jetty.project/releases/tag/jetty-9.4.33.v20201020

Eclipse Jetty: version 9.3.29.
The version 9.3.29 is fixed:
  https://www.eclipse.org/jetty/previousversions.html

Apache Kafka: version 2.7.1.
The version 2.7.1 is fixed:
  https://kafka.apache.org/downloads#2.7.1

Apache ZooKeeper: version 3.5.9.
The version 3.5.9 is fixed:
  https://zookeeper.apache.org/

Apache ZooKeeper: version 3.6.3.
The version 3.6.3 is fixed:
  https://zookeeper.apache.org/releases.html

Debian 9: new jetty9 packages.
New packages are available:
  Debian 9: jetty9 9.2.30-0+deb9u1

IBM MQ: patch for Eclipse Jetty.
A patch is indicated in information sources.

NetApp Snap Creator Framework, SnapCenter: solution for Eclipse Jetty.
The solution is not yet known.
Feel free to contact our team if you have a generic solution.

Oracle Communications: CPU of April 2021.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2766613.1
  https://support.oracle.com/rs?type=doc&id=2765939.1
  https://support.oracle.com/rs?type=doc&id=2765941.1
  https://support.oracle.com/rs?type=doc&id=2652618.1
  https://support.oracle.com/rs?type=doc&id=2765926.1
  https://support.oracle.com/rs?type=doc&id=2766616.1
  https://support.oracle.com/rs?type=doc&id=2765925.1
  https://support.oracle.com/rs?type=doc&id=2769144.1
  https://support.oracle.com/rs?type=doc&id=2766633.1
  https://support.oracle.com/rs?type=doc&id=2766634.1
  https://support.oracle.com/rs?type=doc&id=2739349.1
  https://support.oracle.com/rs?type=doc&id=2765938.1
  https://support.oracle.com/rs?type=doc&id=2766637.1

Oracle Communications: CPU of January 2021.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2737802.1
  https://support.oracle.com/rs?type=doc&id=2738918.1
  https://support.oracle.com/rs?type=doc&id=2738919.1
  https://support.oracle.com/rs?type=doc&id=2738920.1
  https://support.oracle.com/rs?type=doc&id=2738930.1
  https://support.oracle.com/rs?type=doc&id=2737803.1
  https://support.oracle.com/rs?type=doc&id=2737804.1
  https://support.oracle.com/rs?type=doc&id=2738931.1
  https://support.oracle.com/rs?type=doc&id=2738942.1
  https://support.oracle.com/rs?type=doc&id=2737809.1
  https://support.oracle.com/rs?type=doc&id=2737806.1
  https://support.oracle.com/rs?type=doc&id=2737808.1

Swagger Codegen: version 2.4.18.
The version 2.4.18 is fixed:
  https://github.com/swagger-api/swagger-codegen/releases/tag/v2.4.18

Swagger Codegen: version 3.0.24.
The version 3.0.24 is fixed:
  https://github.com/swagger-api/swagger-codegen/releases/tag/v3.0.24
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