Vulnerability Details : CVE-2018-17155
In FreeBSD before 11.2-STABLE(r338983), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338984), and 10.4-RELEASE-p13, due to insufficient initialization of memory copied to userland in the getcontext and swapcontext system calls, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts privileged kernel data.
Vulnerability category: Information leak
Products affected by CVE-2018-17155
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.4:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.1:p15:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:10.4:p13:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-17155
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-17155
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-17155
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-17155
-
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:12.mem.asc
Patch;Vendor Advisory
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