CVE-2022-4981: dcmtk Null Dereference

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.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-404 CWE-404

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
offis	dcmtk	< 3.6.8

References

Advisories & Patches

https://support.dcmtk.org/redmine/issues/1026

Exploits

https://shimo.im/docs/e1Azd4dDQXUgOGqW/ https://support.dcmtk.org/redmine/issues/1026 https://shimo.im/docs/e1Azd4dDQXUgOGqW/read

Other References

https://vuldb.com/?ctiid.329029 https://vuldb.com/?id.329029 https://vuldb.com/?submit.673134

Frequently Asked Questions

What is CVE-2022-4981? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2022-4981? +

CVE-2022-4981 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2022-4981? +

CVE-2022-4981 affects products from offis, specifically: dcmtk. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-4981? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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