USN-5051-4: OpenSSL regression

Releases

• Ubuntu 14.04 ESM

Packages

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

Details

USN-5051-2 introduced a regression in OpenSSL that affected only Ubuntu 14.04 ESM.
This update fix the regression.

Original advisory details:

Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1
strings. A remote attacker could use this issue to cause OpenSSL to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2021-3712)

Update instructions

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

Ubuntu 14.04

• libssl1.0.0 - 1.0.1f-1ubuntu2.27+esm4
  Available with Ubuntu Pro

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• https://launchpad.net/bugs/1942357