CVE-2021-41689

DCMTK through 3.6.6 does not handle string copy properly

High · published June 28, 2022

CVSS v3.1
7.5
EPSS
2%
Percentile
79.5
In the wild
Unconfirmed
What it is

DCMTK through 3.6.6 does not handle string copy properly. Sending specific requests to the dcmqrdb program, it would query its database and copy the result even if the result is null, which can incur a head-based overflow. An attacker can use it to launch a DoS attack.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01899 · 79.5th percentile
Published
2022-06-28T09:38Z
EPSS history
Timeline
  • 28 JUN 09:38Z
    DCMTK through 3.6.6 does not handle string copy properly
    cvelistv5