openEuler 20.03 LTS SP1 update for hadoop

1) Security restrictions bypass

EUVDB-ID: #VU50000

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9492

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the way Apache Hadoop handles SPNEGO authorization headers. A remote WebHDFS client can trigger services to send server credentials to a webhdfs path for capturing the service principal.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

hadoop-tests: before 3.2.1-7

hadoop-client: before 3.2.1-7

hadoop-mapreduce-examples: before 3.2.1-7

hadoop-hdfs: before 3.2.1-7

hadoop-yarn: before 3.2.1-7

hadoop-httpfs: before 3.2.1-7

hadoop-maven-plugin: before 3.2.1-7

hadoop-common: before 3.2.1-7

hadoop-mapreduce: before 3.2.1-7

hadoop-debugsource: before 3.2.1-7

hadoop-devel: before 3.2.1-7

hadoop-debuginfo: before 3.2.1-7

hadoop-yarn-security: before 3.2.1-7

hadoop-common-native: before 3.2.1-7

libhdfs: before 3.2.1-7

hadoop: before 3.2.1-7

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1201

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.