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Alerts This Week
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Ubuntu 20.04 LTS: USN-4562-1 Moderate: Ruby-Kramdown Crash & Code Exec

ubuntu
Calendar Grey September 30, 2020
Dist Ubuntu Esm H88
Alert Announcement USN-4562-1 regarding the ruby-kramdown flaw impacting Ubuntu due to improper input management.
kramdown could be made to crash, run programs, or leak sensitive information if it opened a specially crafted file.

Summary

kramdown could be made to crash, run programs, or leak sensitive information if

it opened a specially crafted file.

Software Description:

- ruby-kramdown: Fast, pure-Ruby Markdown-superset converter - ruby library

Details:

It was discovered that kramdown insecurely handled certain crafted input.

An attacker could use this vulnerability to read restricted files or

execute arbitrary code.

Topics%20covered

Topics Covered

security advisory information leak software update code execution Ubuntu ruby-kramdown

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  kramdown                        1.17.0-4ubuntu0.1
  ruby-kramdown                   1.17.0-4ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

CVE-2020-14001

Severity
important
Lowest
Low
Medium
High
Critical

September 30, 2020

Topics%20covered

Topics Covered

security advisory information leak software update code execution Ubuntu ruby-kramdown

Package Information

https://launchpad.net/ubuntu/+source/ruby-kramdown/1.17.0-4ubuntu0.1
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