#VU79676 Memory leak in DCMTK - CVE-2022-43272

Vulnerability identifier: #VU79676

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-43272

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DCMTK
Universal components / Libraries / Libraries used by multiple products

Vendor: OFFIS

Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in T_ASC_Association object. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

DCMTK: 3.1.0 - 3.6.7

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External links
https://github.com/songxpu/bug_report/tree/master/DCMTK/memory_leak_in_3.6.7
https://www.wolai.com/vaVuMxU4gGqFakbzvc9NYw
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R3QG7MSHORLYAHDXMYG6FQKU4GOCRBCR/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMQ2USESKF6OAZAH64OFHNK2HJIJVGPP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4HROBSUUV2LZCYUNODI2YM7G7AYYO75B/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.