Critical severity · published May 18, 2017
CVE-2017-9058
In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to incorrect boundary checking in the SIZECHECK macro in lib/ytnef.c
9.8
CVSS
1.5%
EPSS
No
On KEV
Description
In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to incorrect boundary checking in the SIZECHECK macro in lib/ytnef.c.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UL
Ubuntu Linux · Canonical
14.04 · source: NVD
YT
Ytnef · Ytnef Project
through 1.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9058
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9058
Issue Tracking
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
Third Party Advisory
https://usn.ubuntu.com/3667-1/
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