Ubuntu 5526-1: PyJWT vulnerability | LinuxSecurity.com

Advisories

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Ubuntu Security Notice USN-5526-1
July 20, 2022

pyjwt 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:

PyJWT could allow signature forgery.

Software Description:
- pyjwt: Python 3 implementation of JSON Web Token

Details:

Aapo Oksman discovered that PyJWT incorrectly handled signatures
constructed from SSH public keys. A remote attacker could use this to forge
a JWT signature.

Update instructions:

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

Ubuntu 22.04 LTS:
  python3-jwt                     2.3.0-1ubuntu0.1

Ubuntu 20.04 LTS:
  python3-jwt                     1.7.1-2ubuntu2.1

Ubuntu 18.04 LTS:
  python-jwt                      1.5.3+ds1-1ubuntu0.1
  python3-jwt                     1.5.3+ds1-1ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-5526-1
  CVE-2022-29217

Package Information:
  https://launchpad.net/ubuntu/+source/pyjwt/2.3.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/pyjwt/1.7.1-2ubuntu2.1
  https://launchpad.net/ubuntu/+source/pyjwt/1.5.3+ds1-1ubuntu0.1

Ubuntu 5526-1: PyJWT vulnerability

July 20, 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: PyJWT could allow signature forgery. Software Description: - pyjwt: Python 3 implementation of JSON Web Token Details: Aapo Oksman discovered that PyJWT incorrectly handled signatures constructed from SSH public keys. A remote attacker could use this to forge a JWT signature.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: python3-jwt 2.3.0-1ubuntu0.1 Ubuntu 20.04 LTS: python3-jwt 1.7.1-2ubuntu2.1 Ubuntu 18.04 LTS: python-jwt 1.5.3+ds1-1ubuntu0.1 python3-jwt 1.5.3+ds1-1ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5526-1

CVE-2022-29217

Severity
Ubuntu Security Notice USN-5526-1

Package Information

https://launchpad.net/ubuntu/+source/pyjwt/2.3.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/pyjwt/1.7.1-2ubuntu2.1 https://launchpad.net/ubuntu/+source/pyjwt/1.5.3+ds1-1ubuntu0.1

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