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Ubuntu 14.04 USN-3667-1 Moderate: Libytnef Denial Of Service Threat

ubuntu
Calendar Grey May 31, 2018
Scroller Ubuntu Esm H88
Critical notice regarding libytnef flaws in Ubuntu 14.04, impacting system integrity and necessitating prompt updates.
Several security issues were fixed in libytnef.

Summary

Several security issues were fixed in libytnef.

Software Description:

- libytnef: improved decoder for application/ms-tnef attachments

Details:

It was discovered that libytnef incorrectly handled certain files.

An attacker could possibly use this to cause a denial of service.

(CVE-2017-12141, CVE-2017-9146, CVE-2017-9471, CVE-2017-9473)

It was discovered that libytnef incorrectly handled certain files.

An attacker could possibly use this to access sensitive information.

(CVE-2017-9058)

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu sensitive information libytnef

Update Instructions

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

Ubuntu 14.04 LTS:
  libytnef0                       1.5-6ubuntu0.2

After a standard system update you need to restart applications using
libytnef, such as Evolution, to make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-3667-1

  CVE-2017-12141, CVE-2017-9058, CVE-2017-9146, CVE-2017-9471,

  CVE-2017-9473

Severity
important
Lowest
Low
Medium
High
Critical

May 31, 2018

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu sensitive information libytnef

Package Information

  https://launchpad.net/ubuntu/+source/libytnef/1.5-6ubuntu0.2

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