Low severity · published Nov 16, 2017
CVE-2017-1088
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, the kernel does not properly clear the memory of the…
3.3
CVSS
0.4%
EPSS
No
On KEV
Description
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p4, 11.0-RELEASE-p15, 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24, the kernel does not properly clear the memory of the kld_file_stat structure before filling the data. Since the structure filled by the kernel is allocated on the kernel stack and copied to userspace, a leak of information from the kernel stack is possible. As a result, some bytes from the kernel stack can be observed in userspace.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
FreeBSD · FreeBSD
All supported versions of FreeBSD · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-1088
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-1088
www.securityfocus.com
http://www.securityfocus.com/bid/101857
www.securitytracker.com
http://www.securitytracker.com/id/1039811
www.freebsd.org
https://www.freebsd.org/security/advisories/FreeBSD-SA-17:10.kldstat.asc
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