Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ytnef Project | Ytnef | <= 1.9.2 |
Related Weaknesses (CWE)
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862707Third Party Advisory
- https://github.com/Yeraze/ytnef/issues/47ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/3667-1/
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862707Third Party Advisory
- https://github.com/Yeraze/ytnef/issues/47ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/3667-1/
FAQ
What is CVE-2017-9146?
CVE-2017-9146 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2017-9146?
CVE-2017-9146 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-9146?
Check the references section above for vendor advisories and patch information. Affected products include: Ytnef Project Ytnef.