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From: Marc Deslauriers
Reply-To: Ubuntu Security
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <614cc526-7e3d-cdb4-d8ea-2f30aea7691a@canonical.com>
Subject: [USN-3571-1] Erlang vulnerabilities
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==========================================================================
Ubuntu Security Notice USN-3571-1
February 14, 2018
erlang vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Erlang.
Software Description:
- erlang: Concurrent, real-time, distributed functional language
Details:
It was discovered that the Erlang FTP module incorrectly handled certain
CRLF sequences. A remote attacker could possibly use this issue to inject
arbitrary FTP commands. This issue only affected Ubuntu 14.04 LTS.
(CVE-2014-1693)
It was discovered that Erlang incorrectly checked CBC padding bytes. A
remote attacker could possibly use this issue to perform a padding oracle
attack and decrypt traffic. This issue only affected Ubuntu 14.04 LTS.
(CVE-2015-2774)
It was discovered that Erlang incorrectly handled certain regular
expressions. A remote attacker could possibly use this issue to cause
Erlang to crash, resulting in a denial of service, or execute arbitrary
code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-10253)
Hanno Böck, Juraj Somorovsky and Craig Young discovered that the Erlang
otp TLS server incorrectly handled error reporting. A remote attacker could
possibly use this issue to perform a variation of the Bleichenbacher attack
and decrypt traffic or sign messages. (CVE-2017-1000385)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
erlang 1:20.0.4+dfsg-1ubuntu1.1
Ubuntu 16.04 LTS:
erlang 1:18.3-dfsg-1ubuntu3.1
Ubuntu 14.04 LTS:
erlang 1:16.b.3-dfsg-1ubuntu2.2
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3571-1
CVE-2014-1693, CVE-2015-2774, CVE-2016-10253, CVE-2017-1000385
Package Information:
https://launchpad.net/ubuntu/+source/erlang/1:20.0.4+dfsg-1ubuntu1.1
https://launchpad.net/ubuntu/+source/erlang/1:18.3-dfsg-1ubuntu3.1
https://launchpad.net/ubuntu/+source/erlang/1:16.b.3-dfsg-1ubuntu2.2
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