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Sicherheit: Deaktivierung von TLS 1.1 und 1.2 in OpenSSL
Aktuelle Meldungen Distributionen
Name: Deaktivierung von TLS 1.1 und 1.2 in OpenSSL
ID: USN-1516-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS
Datum: Mi, 25. Juli 2012, 18:36
Referenzen: Keine Angabe
Applikationen: OpenSSL

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-1516-1
July 25, 2012

openssl vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS

Summary:

OpenSSL incorrectly disabled TLS 1.1 and TLS 1.2 in certain applications.

Software Description:
- openssl: Secure Socket Layer (SSL) cryptographic library and tools

Details:

It was discovered that OpenSSL incorrectly handled the SSL_OP_ALL setting.
This resulted in TLS 1.1 and TLS 1.2 being inadvertently disabled for
certain server and client applications.

Update instructions:

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

Ubuntu 12.04 LTS:
libssl1.0.0 1.0.1-4ubuntu5.3

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

References:
http://www.ubuntu.com/usn/usn-1516-1
https://launchpad.net/bugs/1018998

Package Information:
https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.3



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