Vulnerability Details : CVE-2017-9146
Potential exploit
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2017-9146
- cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9146
0.61%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9146
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2017-9146
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9146
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http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862707
#862707 - libytnef: CVE-2017-9146: Heap-buffer overrun: write extra bytes in TNEFFillMapi - Debian Bug report logsThird Party Advisory
-
https://usn.ubuntu.com/3667-1/
USN-3667-1: libytnef vulnerabilities | Ubuntu security notices
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
[SECURITY] Fedora 30 Update: ytnef-1.9.3-1.fc30 - package-announce - Fedora Mailing-Lists
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https://github.com/Yeraze/ytnef/issues/47
heap-buffer overrun: write extra bytes in TNEFFillMapi · Issue #47 · Yeraze/ytnef · GitHubExploit;Third Party Advisory
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