CVE-2022-38178

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.

Score

CVSS 3.1 7.5 High

Status

Modified - security-officer@isc.org

Published

2022-09-21

Last modified

2025-05-28

Weaknesses

CWE-401

Affected products

• Debian Linux (Debian)
• Fedora (Fedoraproject)
• Bind (Isc)
• Bind9 (Isc)
• Active Iq Unified Manager (Netapp)

References

• http://www.openwall.com/lists/oss-security/2022/09/21/3
• https://kb.isc.org/docs/cve-2022-38178
• https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6U…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5…
• https://security.gentoo.org/glsa/202210-25
• https://security.netapp.com/advisory/ntap-20221228-0009/
• https://www.debian.org/security/2022/dsa-5235