CVE-2022-4981

DCMTK dcmqrscp dcmqrcnf.cc readPeerList null pointer dereference

State: Published
Severity: 4.8 Medium
Published: Oct 21, 2025
Updated: Oct 21, 2025
Reserved: Oct 19, 2025

Description

A vulnerability was detected in DCMTK up to 3.6.7. The impacted element is the function DcmQueryRetrieveConfig::readPeerList of the file /dcmqrcnf.cc of the component dcmqrscp. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. Upgrading to version 3.6.8 is sufficient to resolve this issue. The patch is identified as 957fb31e5. Upgrading the affected component is advised.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
3.0	3.3 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	1.7 Low	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-404 Denial of Service

Affected Products

Product	Versions
DCMTKn/a	3.6.0Affected 3.6.1Affected 3.6.2Affected 3.6.3Affected 3.6.4Affected 3.6.5Affected 3.6.6Affected 3.6.7Affected 3.6.8Not affected

References

VDB-329029 | DCMTK dcmqrscp dcmqrcnf.cc readPeerList null pointer dereferencevdb-entrytechnical-description
VDB-329029 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #673134 | DCMTK GitHub Repository DCMTK 3.6.5 NULL Pointer Dereferencethird-party-advisory
https://support.dcmtk.org/redmine/issues/1026issue-tracking
https://shimo.im/docs/e1Azd4dDQXUgOGqW/exploit
https://shimo.im/docs/e1Azd4dDQXUgOGqW/readexploit

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