USN-3899-1: OpenSSL vulnerability
27 February 2019
OpenSSL could be made to expose sensitive information over the network.
Releases
Packages
- openssl - Secure Socket Layer (SSL) cryptographic library and tools
- openssl1.0 - Secure Socket Layer (SSL) cryptographic library and tools
Details
Juraj Somorovsky, Robert Merget, and Nimrod Aviram discovered that certain
applications incorrectly used OpenSSL and could be exposed to a padding
oracle attack. A remote attacker could possibly use this issue to decrypt
data.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Related notices
- USN-4376-2: libcrypto1.0.0-udeb, openssl, libssl1.0.0-udeb, libssl-doc, libssl1.0.0, libssl-dev