USN-3528-1: Ruby vulnerabilities
Ubuntu Security Notice USN-3528-1
10th January, 2018
ruby1.9.1, ruby2.3 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 Ruby.
Software description
- ruby1.9.1 - Interpreter of object-oriented scripting language Ruby
- ruby2.3 - Interpreter of object-oriented scripting language Ruby
Details
It was discovered that Ruby incorrectly handled certain terminal emulator
escape sequences. An attacker could use this to execute arbitrary code via
a crafted user name. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10.
(CVE-2017-10784)
It was discovered that Ruby incorrectly handled certain strings.
An attacker could use this to cause a denial of service. This issue
only affected Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2017-14033)
It was discovered that Ruby incorrectly handled some generating JSON.
An attacker could use this to possible expose sensitive information.
This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10.
(CVE-2017-14064)
It was discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to execute arbitrary code.
(CVE-2017-17790)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.10:
- libruby2.3 2.3.3-1ubuntu1.2
- ruby2.3 2.3.3-1ubuntu1.2
- Ubuntu 16.04 LTS:
- libruby2.3 2.3.1-2~16.04.5
- ruby2.3 2.3.1-2~16.04.5
- Ubuntu 14.04 LTS:
- ruby1.9.1 1.9.3.484-2ubuntu1.7
- ruby1.9.3 1.9.3.484-2ubuntu1.7
- libruby1.9.1 1.9.3.484-2ubuntu1.7
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
In general, a standard system update will make all the necessary changes.
References
CVE-2017-10784, CVE-2017-14033, CVE-2017-14064, CVE-2017-17790
from Ubuntu Security Notices http://ift.tt/2CMQet7