CVE-2021-41689

2022-06-2809:38:17

mitre

github.com

dcmtk

cve-2021-41689

string copy

vulnerability

dos

overflow

dcmqrdb

AI Score

6.7

Confidence

Low

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

JSON

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:dcmtk:dcmtk:*:*:*:*:*:*:*:*"
    ],
    "vendor": "dcmtk",
    "product": "dcmtk",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "3.6.6"
      }
    ],
    "defaultStatus": "unknown"
  }
]