High severity · published Apr 4, 2018
CVE-2018-6917
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p9, 10.4-STABLE, 10.4-RELEASE-p8 and 10.3-RELEASE-p28, insufficient validation of user-provided font parameters can result in an…
7.5
CVSS
2%
EPSS
No
On KEV
Description
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p9, 10.4-STABLE, 10.4-RELEASE-p8 and 10.3-RELEASE-p28, insufficient validation of user-provided font parameters can result in an integer overflow, leading to the use of arbitrary kernel memory as glyph data. Unprivileged users may be able to access privileged kernel data.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
10.0 before 10.4; 11.0 before 11.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-6917
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-6917
Third Party Advisory
http://www.securityfocus.com/bid/103668
Third Party Advisory
http://www.securitytracker.com/id/1040629
Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:04.vt.asc
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