CVE-2018-18439: denx u-boot

Vulnerability summary

CVE-2018-18439 is a high (CVSS 10.0) vulnerability in denx u-boot. EPSS estimates a 2.04% chance of exploitation in the next 30 days, higher than 80.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 20-11-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.