CVE-2024-30212CWE-190

Microchip Harmony 3 Core library allows read and write access to RAM via a SCSI READ or WRITE command

High · published May 28, 2024

CVSS v4.0
7.0
EPSS
1%
Percentile
46.3
In the wild
Unconfirmed
What it is

If a SCSI READ(10) command is initiated via USB using the largest LBA

(0xFFFFFFFF) with it's default block size of 512 and a count of 1,

the first 512 byte of the 0x80000000 memory area is returned to the

user. If the block count is increased, the full RAM can be exposed.

The same method works to write to this memory area. If RAM contains

pointers, those can be - depending on the application - overwritten to

return data from any other offset including Progam and Boot Flash.

The record
Technical detail
CVSS v4.0
7.0 · HIGH
Vector
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00568 · 46.3th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2024-05-28T16:07Z
EPSS history
Timeline
  • 28 MAY 16:07Z
    Microchip Harmony 3 Core library allows read and write access to RAM via a SCSI READ or WRITE command
    cvelistv5