- Vulnerability/
- USN-3571-1
USN-3571-1: Erlang vulnerabilities
First published: Wed Feb 14 2018(Updated: )
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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/erlang | <1:20.0.4+dfsg-1ubuntu1.1 | 1:20.0.4+dfsg-1ubuntu1.1 |
| Ubuntu OpenSSH Client | =17.10 | |
| All of | ||
| ubuntu/erlang | <1:18.3-dfsg-1ubuntu3.1 | 1:18.3-dfsg-1ubuntu3.1 |
| Ubuntu OpenSSH Client | =16.04 | |
| All of | ||
| ubuntu/erlang | <1:16.b.3-dfsg-1ubuntu2.2 | 1:16.b.3-dfsg-1ubuntu2.2 |
| Ubuntu OpenSSH Client | =14.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2014-1693
- https://ubuntu.com/security/CVE-2015-2774
- https://ubuntu.com/security/CVE-2016-10253
- https://ubuntu.com/security/CVE-2017-1000385
- 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
- https://ubuntu.com/security/notices/USN-3571-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-3571-1?
The severity of USN-3571-1 is considered moderate due to the potential for remote command injection in the FTP module.
How do I fix USN-3571-1?
To fix USN-3571-1, users should upgrade the Erlang package to the specified secure version for their Ubuntu release.
Which versions of Ubuntu are affected by USN-3571-1?
USN-3571-1 affects Ubuntu 14.04 LTS, 16.04 LTS, and 17.10 based on their respective Erlang package versions.
What is the primary vulnerability addressed in USN-3571-1?
The primary vulnerability in USN-3571-1 involves the incorrect handling of CRLF sequences in the Erlang FTP module.
Is there active exploitation of the vulnerability in USN-3571-1?
As of this advisory, there are no known active exploitations of the vulnerability in USN-3571-1, but it is advisable to apply updates.
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