USN-3621-2: Ruby regression
13 April 2018
USN-3621-1 caused a regression in Ruby.
Releases
Packages
Details
USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due
to an incomplete patch for CVE-2018-1000074. This update reverts the
problematic patch pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-1000073)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000074)
It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to cause a denial of service. (CVE-2018-1000075)
It was discovered that Ruby incorrectly handled certain crypto signatures.
An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000076)
It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000077,
CVE-2018-1000078, CVE-2018-1000079)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
-
libruby1.9.1
-
1.9.3.484-2ubuntu1.10
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libruby2.0
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2.0.0.484-1ubuntu2.8
-
ruby1.9.1
-
1.9.3.484-2ubuntu1.10
-
ruby1.9.3
-
1.9.3.484-2ubuntu1.10
-
ruby2.0
-
2.0.0.484-1ubuntu2.8
In general, a standard system update will make all the necessary changes.