CVE-2017-9146

Public Exploit

Description

The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.61%
Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3667-1/ vendor advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862707 third party advisory
https://github.com/Yeraze/ytnef/issues/47 third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-9146?
CVE-2017-9146 has been scored as a high severity vulnerability.
How to fix CVE-2017-9146?
To fix CVE-2017-9146, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9146 being actively exploited in the wild?
It is possible that CVE-2017-9146 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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