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:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3528-1: Ruby vulnerabilities
