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Ubuntu 21.04 USN-4913-2 Critical: Underscore Code Injection Issue

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Calendar Grey April 28, 2021
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The recent Underscore patch rectifies a significant security vulnerability in Ubuntu 21.04, providing comprehensive guidance on necessary remediation steps.
Underscore could be made to inject arbitrary code if it received a specially crafted input.

Summary

Underscore could be made to inject arbitrary code if it received a specially

crafted input.

Software Description:

- underscore: Javascript’s functional programming helper library

Details:

USN-4913-1 fixed vulnerabilities in Underscore. This update provides

the corresponding updates for Ubuntu 21.04.

Original advisory details:

It was discovered that Underscore incorrectly handled certain inputs.

An attacker could possibly use this issue to inject arbitrary code.

Topics%20covered

Topics Covered

security advisory critical software update Ubuntu arbitrary code ubuntu code injection underscore

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.04:
  libjs-underscore                1.9.1~dfsg-1ubuntu0.21.04.1
  node-underscore                 1.9.1~dfsg-1ubuntu0.21.04.1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4913-2

https://ubuntu.com/security/notices/USN-4913-1

CVE-2021-23358

Severity
critical
Lowest
Low
Medium
High
Critical

April 28, 2021

Topics%20covered

Topics Covered

security advisory critical software update Ubuntu arbitrary code ubuntu code injection underscore

Package Information

https://launchpad.net/ubuntu/+source/underscore/1.9.1~dfsg-1ubuntu0.21.04.1

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