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Ubuntu: 4338-1 Critical Vulnerability in re2c Allows Code Execution

ubuntu
Calendar Grey April 22, 2020
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-4338-1 highlights a serious vulnerability found in the re2c tool, emphasizing essential update protocols to mitigate risks.
re2c could be made to execute arbitrary code if it received a specially crafted file.

Summary

re2c could be made to execute arbitrary code if it received

a specially crafted file.

Software Description:

- re2c: tool for generating fast C-based recognizers

Details:

Agostino Sarubbo discovered that re2c incorrectly handled certain files.

An attacker could possibly use this issue to execute arbitrary code.

Topics%20covered

Topics Covered

security advisory critical software update code execution Ubuntu arbitrary code re2c

Update Instructions

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

Ubuntu 19.10:
  re2c                            1.2.1-1ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-4338-1

CVE-2020-11958

Severity
critical
Lowest
Low
Medium
High
Critical

April 22, 2020

Topics%20covered

Topics Covered

security advisory critical software update code execution Ubuntu arbitrary code re2c

Package Information

https://launchpad.net/ubuntu/+source/re2c/1.2.1-1ubuntu0.1

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