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Alerts This Week
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Ubuntu 12.04 ESM: USN-3478-2 Critical Issue in Perl Denial of Service

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Calendar Grey November 13, 2017
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A flaw in Perl for Ubuntu 12.04 ESM could be exploited through specially crafted data, resulting in application crashes and potential service disruptions. It is advisable to perform an update.
Perl could be made to crash if it received specially crafted input.

Summary

Perl could be made to crash if it received specially crafted

input.

Software Description:

- perl: Practical Extraction and Report Language

Details:

USN-3478-1 fixed two vulnerabilities in Perl. This update

provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Jakub Wilk discovered that Perl incorrectly handled certain regular

 expressions. An attacker could use this issue to cause Perl to crash,

 resulting in a denial of service, or possibly execute arbitrary code.

 (CVE-2017-12883)

Update Instructions

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

Ubuntu 12.04 ESM:
  perl                            5.14.2-6ubuntu2.6

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

References

 

 

  CVE-2017-12883

Severity
critical
Lowest
Low
Medium
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Critical

November 13, 2017

Package Information

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