Ubuntu 5825-1: PAM vulnerability | LinuxSecurity.com
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Ubuntu Security Notice USN-5825-1
January 25, 2023

pam vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

PAM would allow unintended access to the machine over network.

Software Description:
- pam: Pluggable Authentication Modules

Details:

It was discovered that PAM did not correctly restrict login from an IP
address that is not resolvable via DNS. An attacker could possibly use this
issue to bypass authentication.

Update instructions:

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

Ubuntu 22.10:
  libpam-modules                  1.5.2-2ubuntu1.1

Ubuntu 22.04 LTS:
  libpam-modules                  1.4.0-11ubuntu2.1

Ubuntu 20.04 LTS:
  libpam-modules                  1.3.1-5ubuntu4.4

Ubuntu 18.04 LTS:
  libpam-modules                  1.1.8-3.6ubuntu2.18.04.4

Ubuntu 16.04 ESM:
  libpam-modules                  1.1.8-3.2ubuntu2.3+esm2

Ubuntu 14.04 ESM:
  libpam-modules                  1.1.8-1ubuntu2.2+esm1

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

References:
  https://ubuntu.com/security/notices/USN-5825-1
  CVE-2022-28321

Package Information:
  https://launchpad.net/ubuntu/+source/pam/1.5.2-2ubuntu1.1
  https://launchpad.net/ubuntu/+source/pam/1.4.0-11ubuntu2.1
  https://launchpad.net/ubuntu/+source/pam/1.3.1-5ubuntu4.4
  https://launchpad.net/ubuntu/+source/pam/1.1.8-3.6ubuntu2.18.04.4

Ubuntu 5825-1: PAM vulnerability

January 25, 2023
PAM would allow unintended access to the machine over network.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: PAM would allow unintended access to the machine over network. Software Description: - pam: Pluggable Authentication Modules Details: It was discovered that PAM did not correctly restrict login from an IP address that is not resolvable via DNS. An attacker could possibly use this issue to bypass authentication.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: libpam-modules 1.5.2-2ubuntu1.1 Ubuntu 22.04 LTS: libpam-modules 1.4.0-11ubuntu2.1 Ubuntu 20.04 LTS: libpam-modules 1.3.1-5ubuntu4.4 Ubuntu 18.04 LTS: libpam-modules 1.1.8-3.6ubuntu2.18.04.4 Ubuntu 16.04 ESM: libpam-modules 1.1.8-3.2ubuntu2.3+esm2 Ubuntu 14.04 ESM: libpam-modules 1.1.8-1ubuntu2.2+esm1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5825-1

CVE-2022-28321

Severity
Ubuntu Security Notice USN-5825-1

Package Information

https://launchpad.net/ubuntu/+source/pam/1.5.2-2ubuntu1.1 https://launchpad.net/ubuntu/+source/pam/1.4.0-11ubuntu2.1 https://launchpad.net/ubuntu/+source/pam/1.3.1-5ubuntu4.4 https://launchpad.net/ubuntu/+source/pam/1.1.8-3.6ubuntu2.18.04.4

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