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Ubuntu 20.04 USN-4001-1 High: OpenSSL Vulnerability in Certificate Handling

ubuntu
Calendar Grey October 22, 2018
Dist Ubuntu Esm H88
A vulnerability in libssh found in Ubuntu may enable unauthorized access to network services, as noted in Security Notice USN-3795-2.
libssh could allow unintended access to network services.

Summary

libssh could allow unintended access to network services.

Software Description:

- libssh: A tiny C SSH library

Details:

USN-3795-1 fixed a vulnerability in libssh. This update provides the

corresponding update for Ubuntu 18.10.

Original advisory details:

Peter Winter-Smith discovered that libssh incorrectly handled

authentication when being used as a server. A remote attacker could use

this issue to bypass authentication without any credentials.

Topics%20covered

Topics Covered

security advisory critical authentication issue ubuntu libssh

Update Instructions

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

Ubuntu 18.10:
  libssh-4                        0.8.1-1ubuntu0.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-3795-1

CVE-2018-10933

Severity
important
Lowest
Low
Medium
High
Critical

October 22, 2018

Topics%20covered

Topics Covered

security advisory critical authentication issue ubuntu libssh

Package Information

https://launchpad.net/ubuntu/+source/libssh/0.8.1-1ubuntu0.1

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