vulnwire
8.8high

CVE-2017-9146

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 a…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.39% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • usn.ubuntu.com /3667-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • bugs.debian.org /cgi-bin/bugreport.cgi?bug=862707 · x_refsource_MISC, x_transferred
  • github.com /Yeraze/ytnef/issues/47 · x_refsource_MISC, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT · vendor-advisory, x_refsource_FEDORA, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.