CVE-2018-18439
CRITICAL
9.8
CVSS Score
Published: November 20, 2018 at 07:00 PM UTC
Updated: June 17, 2026 at 01:47 AM UTC
1 product affected across 1 vendorU Boot
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow via a malicious TFTP server because TFTP traffic is mishandled. Also, local exploitation can occur via a crafted kernel image.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2018.092018.09 rc1
Affected range stops below 2018.09, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
Mailing Listx_refsource_MLISTExploitThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2018/11/02/2CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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