Apache Livy (Incubating) is vulnerable to cross site scripting
CVE-2021-26544

5.4MEDIUM

Key Information:

Vendor

Apache
Status
Apache Livy (incubating)
Vendor
CVE Published:
20 February 2021

What is CVE-2021-26544?

Livy server version 0.7.0-incubating (only) is vulnerable to a cross site scripting issue in the session name. A malicious user could use this flaw to access logs and results of other users' sessions and run jobs with their privileges. This issue is fixed in Livy 0.7.1-incubating.

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Deploy the Patch

Affected Version(s)

Apache Livy (Incubating) Apache Livy (Incubating) 0.7.0-incubating

References

https://github.com/apache/incubator-livy/commit/4d8a91269...
x_refsource_MISC
https://lists.apache.org/thread.html/r2db14e7fd1e5ec2519e...
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/02/20/1
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

We would like to thank Andras Beni for reporting this issue
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