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Ubuntu 16.04 ESM USN-5080-2 Critical: Libgcrypt Info Exposure

ubuntu
Calendar Grey September 16, 2021
Dist Ubuntu Esm H88
Debian reveals critical vulnerability in OpenSSL, necessitating immediate patches to protect encryption keys.
Libgcrypt could be made to expose sensitive information.

Summary

Libgcrypt could be made to expose sensitive information.

Software Description:

- libgcrypt20: LGPL Crypto library

Details:

USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides

the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An

attacker could possibly use this issue to recover sensitive information.

Topics%20covered

Topics Covered

security advisory security issue critical ubuntu info exposure libgcrypt

Update Instructions

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

Ubuntu 16.04 ESM:
  libgcrypt20                     1.6.5-2ubuntu0.6+esm1

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

References

https://ubuntu.com/security/notices/USN-5080-2

https://ubuntu.com/security/notices/USN-5080-1

CVE-2021-33560, CVE-2021-40528

Severity
critical
Lowest
Low
Medium
High
Critical

September 16, 2021

Topics%20covered

Topics Covered

security advisory security issue critical ubuntu info exposure libgcrypt

Package Information

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