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USN-5488-2: OpenSSL vulnerability

6 July 2022

OpenSSL could be made to crash or run programs when the c_rehash script is used.

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Releases

Packages

  • openssl - Secure Socket Layer (SSL) cryptographic library and tools

Details

USN-5488-1 fixed vulnerabilities in OpenSSL. This update provides the
corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the
c_rehash script. A local attacker could possibly use this issue to execute
arbitrary commands when c_rehash is run.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04

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

References

Related notices

  • USN-5488-1: libssl3, libssl1.0-dev, libssl-doc, openssl1.0, libssl1.0.0, libssl-dev, openssl, libssl1.1
  • USN-6457-1: libnode-dev, nodejs, libnode72, nodejs-doc
  • USN-7018-1: openssl, libssl1.0.0, libssl-dev, libssl-doc

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Further reading