Medium severity · published Nov 28, 2018
CVE-2018-17156
In FreeBSD before 11.2-STABLE(r340268) and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an…
5.9
CVSS
1.6%
EPSS
No
On KEV
Description
In FreeBSD before 11.2-STABLE(r340268) and 11.2-RELEASE-p5, due to incorrectly accounting for padding on 64-bit platforms, a buffer underwrite could occur when constructing an ICMP reply packet when using a non-standard value for the net.inet.icmp.quotelen sysctl.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
before 11.2; 11.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17156
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17156
Third Party Advisory
http://www.securityfocus.com/bid/106052
Exploit
https://security.freebsd.org/advisories/FreeBSD-EN-18:13.icmp.asc
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