CVE-2022-38177

high

Description

By spoofing the target resolver with responses that have a malformed ECDSA 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.

References

Advisories
References

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

https://security.netapp.com/advisory/ntap-20221228-0010/

https://security.gentoo.org/glsa/202210-25

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/

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

https://kb.isc.org/docs/cve-2022-38177

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

https://www.cisa.gov/news-events/ics-advisories/icsa-25-105-08

Details

Source: Mitre, NVD

Published: 2022-09-21

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H