USN-3667-1: libytnef vulnerabilities

Releases

• Ubuntu 14.04 ESM

Packages

• 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)

Update instructions

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

Ubuntu 14.04

• 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

• CVE-2017-12141
• CVE-2017-9058
• CVE-2017-9146
• CVE-2017-9471
• CVE-2017-9473