CVE-2018-18440 — HIGH (7.8)

Q: What is CVE-2018-18440?

CVE-2018-18440 is a vulnerability with a CVSS score of 7.8 (HIGH). DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.

Q: How severe is CVE-2018-18440?

CVE-2018-18440 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-18440?

Check the references section above for vendor advisories and patch information. Affected products include: Denx U-Boot.

Vulnerability Description

DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Denx	U-Boot	<= 2018.07

Related Weaknesses (CWE)

CWE-119

References

http://www.openwall.com/lists/oss-security/2018/11/02/2ExploitMailing ListMitigation
https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf
http://www.openwall.com/lists/oss-security/2018/11/02/2ExploitMailing ListMitigation
https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf

FAQ

What is CVE-2018-18440?

CVE-2018-18440 is a vulnerability with a CVSS score of 7.8 (HIGH). DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.

How severe is CVE-2018-18440?

CVE-2018-18440 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-18440?

Check the references section above for vendor advisories and patch information. Affected products include: Denx U-Boot.