CVE-2022-38178

high-risk

Published 2022-09-21

By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

Do I need to act?

1.4% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (20)

Bind

Affected Vendors

Debian Isc Fedoraproject Netapp

References (18)

Mailing List http://www.openwall.com/lists/oss-security/2022/09/21/3

Mailing List https://kb.isc.org/docs/cve-2022-38178

Mailing List https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202210-25

Third Party Advisory https://security.netapp.com/advisory/ntap-20221228-0009/

Third Party Advisory https://www.debian.org/security/2022/dsa-5235

Mailing List http://www.openwall.com/lists/oss-security/2022/09/21/3

Mailing List https://kb.isc.org/docs/cve-2022-38178

Mailing List https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202210-25

Third Party Advisory https://security.netapp.com/advisory/ntap-20221228-0009/

Third Party Advisory https://www.debian.org/security/2022/dsa-5235

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high-risk

Severity 26/34 · High

Exploitability 4/34 · Minimal

Exposure 22/34 · High