Apache DolphinScheduler High-Risk Vulnerabilities (CVE-2020-11974, CVE-2020-13922) Threat Alert

Apache DolphinScheduler High-Risk Vulnerabilities (CVE-2020-11974, CVE-2020-13922) Threat Alert

September 23, 2020 | Mina Hao

1. Vulnerability Description

On September 11, 2020, NSFOCUS detected that the Apache Software Foundation released security advisories fixing Apache DolphinScheduler permission overwrite vulnerability (CVE-2020-13922) and Apache DolphinScheduler remote code execution vulnerability (CVE-2020-11974). CVE-2020-11974 is related to mysql connectorj remote code execution vulnerability. When choosing mysql as database, an attacker could execute code remotely on the DolphinScheduler server by inputting {“detectCustomCollations”:true, “autoDeserialize”:true} through jdbc connect parameters. CVE-2020-13922 allows an ordinary user to overwrite other users’ passwords in the DolphinScheduler system through api interface /dolphinscheduler/users/update. Affected users are advised to upgrade without delay.

Reference links:

https://www.mail-archive.com/announce@apache.org/msg06076.html
https://www.mail-archive.com/announce@apache.org/msg06077.html

2. Scope of Impact

Apache DolphinScheduler permission overwrite vulnerability (CVE-2020-13922)

Affected versions

  • Apache DolphinScheduler = 1.2.0, 1.2.1, 1.3.1

Unaffected versions

  • Apache DolphinScheduler >= 1.3.2

Apache DolphinScheduler remote code execution vulnerability (CVE-2020-11974)

Affected versions

  • Apache DolphinScheduler = 1.2.0  1.2.1

Unaffected versions

  • Apache DolphinScheduler >= 1.3.1

3. Mitigation

3.1  Official Fix

Currently, these vulnerabilities have been fixed in the latest Apache DolphinScheduler version. Affected users are advised to download and upgrade to 1.3.2 as soon as possible at the vendor’s website: https://dolphinscheduler.apache.org/zh-cn/docs/release/download.html.

Statement

This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.

About NSFOCUS

NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.

NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).

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