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.

References

CVE-2014-1693,

CVE-2015-2774,

CVE-2016-10253,

CVE-2017-1000385


Source From: ubuntu.com.
Original article title: USN-3571-1: Erlang vulnerabilities.
This full article can be read at: USN-3571-1: Erlang vulnerabilities.

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