USN-3571-1: Erlang vulnerabilities
Ubuntu Security Notice USN-3571-1
14th February, 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 version:
- 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
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
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