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Ubuntu 22.04 LTS USN-6697-1 Critical: Bash Denial of Service Vulnerability

ubuntu
Calendar Grey March 18, 2024
Dist Ubuntu Esm H88
A security flaw in Bash may lead to system crashes or unauthorized code execution upon user login; it is advised to apply updates for Ubuntu 22.04.
Bash could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

Bash could be made to crash or run programs as your login if it opened a

specially crafted file.

Software Description:

- bash: GNU Bourne Again SHell

Details:

It was discovered that Bash incorrectly handled certain memory operations

when processing commands. If a user or automated system were tricked into

running a specially crafted bash file, a remote attacker could use this

issue to cause Bash to crash, resulting in a denial of service, or possibly

execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service high severity remote command execution ubuntu bash

Update Instructions

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

Ubuntu 22.04 LTS:
   bash                            5.1-6ubuntu1.1

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

References

https://ubuntu.com/security/notices/USN-6697-1

CVE-2022-3715

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6697-1

Topics%20covered

Topics Covered

security advisory denial of service high severity remote command execution ubuntu bash

Package Information

https://launchpad.net/ubuntu/+source/bash/5.1-6ubuntu1.1

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