Details
Karthikeyan Bhargavan and Gaetan Leurent discovered that GnuTLS incorrectly
allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were
able to perform a machine-in-the-middle attack, this flaw could be exploited to
view sensitive information.
Karthikeyan Bhargavan and Gaetan Leurent discovered that GnuTLS incorrectly
allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were
able to perform a machine-in-the-middle attack, this flaw could be exploited to
view sensitive information.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 15.04 vivid | libgnutls-deb0-28 – 3.3.8-3ubuntu3.2 | ||
| libgnutls-openssl27 – 3.3.8-3ubuntu3.2 | |||
| libgnutlsxx28 – 3.3.8-3ubuntu3.2 | |||
| 14.04 trusty | libgnutls-openssl27 – 2.12.23-12ubuntu2.4 | ||
| libgnutls26 – 2.12.23-12ubuntu2.4 | |||
| libgnutlsxx27 – 2.12.23-12ubuntu2.4 | |||
| 12.04 precise | libgnutls-openssl27 – 2.12.14-5ubuntu3.11 | ||
| libgnutls26 – 2.12.14-5ubuntu3.11 | |||
| libgnutlsxx27 – 2.12.14-5ubuntu3.11 | |||
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