Vulnerability Details : CVE-2018-18440
DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2018-18440
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 18 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-18440
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-18440
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18440
-
http://www.openwall.com/lists/oss-security/2018/11/02/2
oss-security - CVE-2018-18439, CVE-2018-18440 - U-Boot verified boot bypass vulnerabilitiesExploit;Mailing List;Mitigation;Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf
Products affected by CVE-2018-18440
- cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
- cpe:2.3:a:denx:u-boot:2018.09:rc1:*:*:*:*:*:*