Ubuntu 5551-1: mod-wsgi vulnerability | LinuxSecurity.com
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Ubuntu Security Notice USN-5551-1
August 04, 2022

mod-wsgi vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

mod-wsgi could allow unintended access to network services.

Software Description:
- mod-wsgi: Python WSGI adapter module for Apache

Details:

It was discovered that mod-wsgi did not correctly remove the X-Client-IP
header when processing requests from untrusted proxies. A remote attacker
could use this issue to pass the header to WSGI applications, contrary
to expectations.

Update instructions:

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

Ubuntu 22.04 LTS:
  libapache2-mod-wsgi-py3         4.9.0-1ubuntu0.1

Ubuntu 20.04 LTS:
  libapache2-mod-wsgi             4.6.8-1ubuntu3.1
  libapache2-mod-wsgi-py3         4.6.8-1ubuntu3.1

Ubuntu 18.04 LTS:
  libapache2-mod-wsgi             4.5.17-1ubuntu1.1
  libapache2-mod-wsgi-py3         4.5.17-1ubuntu1.1

After a standard system update you need to restart your web service to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5551-1
  CVE-2022-2255

Package Information:
  https://launchpad.net/ubuntu/+source/mod-wsgi/4.9.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/mod-wsgi/4.6.8-1ubuntu3.1
  https://launchpad.net/ubuntu/+source/mod-wsgi/4.5.17-1ubuntu1.1

Ubuntu 5551-1: mod-wsgi vulnerability

August 4, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: mod-wsgi could allow unintended access to network services. Software Description: - mod-wsgi: Python WSGI adapter module for Apache Details: It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this issue to pass the header to WSGI applications, contrary to expectations.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: libapache2-mod-wsgi-py3 4.9.0-1ubuntu0.1 Ubuntu 20.04 LTS: libapache2-mod-wsgi 4.6.8-1ubuntu3.1 libapache2-mod-wsgi-py3 4.6.8-1ubuntu3.1 Ubuntu 18.04 LTS: libapache2-mod-wsgi 4.5.17-1ubuntu1.1 libapache2-mod-wsgi-py3 4.5.17-1ubuntu1.1 After a standard system update you need to restart your web service to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5551-1

CVE-2022-2255

Severity
Ubuntu Security Notice USN-5551-1

Package Information

https://launchpad.net/ubuntu/+source/mod-wsgi/4.9.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/mod-wsgi/4.6.8-1ubuntu3.1 https://launchpad.net/ubuntu/+source/mod-wsgi/4.5.17-1ubuntu1.1

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