==========================================================================
Ubuntu Security Notice USN-3628-1
April 19, 2018
openssl vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 17.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
Summary:
OpenSSL could allow access to sensitve information.
Software Description:
– openssl: Secure Socket Layer (SSL) cryptographic library and tools
Details:
Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis
Manuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA
key generation. An attacker could possibly use this issue to perform a
cache-timing attack and recover private RSA keys.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
libssl1.0.0 1.0.2g-1ubuntu13.5
Ubuntu 16.04 LTS:
libssl1.0.0 1.0.2g-1ubuntu4.12
Ubuntu 14.04 LTS:
libssl1.0.0 1.0.1f-1ubuntu2.25
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3628-1
CVE-2018-0737
Package Information:
https://launchpad.net/ubuntu/+source/openssl/1.0.2g-1ubuntu13.5
https://launchpad.net/ubuntu/+source/openssl/1.0.2g-1ubuntu4.12
https://launchpad.net/ubuntu/+source/openssl/1.0.1f-1ubuntu2.25—–BEGIN PGP SIGNATURE—–
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—
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==========================================================================
Ubuntu Security Notice USN-3628-2
April 19, 2018
openssl vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 12.04 ESM
Summary:
OpenSSL could allow access to sensitve information.
Software Description:
– openssl: Secure Socket Layer (SSL) cryptographic library and tools
Details:
USN-3628-1 fixed a vulnerability in OpenSSL. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis
Manuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA
key generation. An attacker could possibly use this issue to perform a
cache-timing attack and recover private RSA keys.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libssl1.0.0 1.0.1-4ubuntu5.41
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3628-2
https://usn.ubuntu.com/usn/usn-3628-1
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—
