Critical severity · published Dec 4, 2018
CVE-2018-17157
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error when handling opcodes can cause memory corruption by sending a specially crafted NFSv4…
9.8
CVSS
24.2%
EPSS
No
On KEV
Description
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error when handling opcodes can cause memory corruption by sending a specially crafted NFSv4 request. Unprivileged remote users with access to the NFS server may be able to execute arbitrary code.
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)24.2% · higher than 98% 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-2018-17157
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17157
Third Party Advisory
http://www.securityfocus.com/bid/106192
Patch
http://www.securitytracker.com/id/1042164
Third Party Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/
Patch
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc
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