CVE-2022-38177

Sažetak

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.

Reference

http://www.openwall.com/lists/oss-security/2022/09/21/3
https://kb.isc.org/docs/cve-2022-38177
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
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/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
https://security.gentoo.org/glsa/202210-25
https://security.netapp.com/advisory/ntap-20221228-0010/
https://www.debian.org/security/2022/dsa-5235
http://www.openwall.com/lists/oss-security/2022/09/21/3
https://kb.isc.org/docs/cve-2022-38177
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
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/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
https://security.gentoo.org/glsa/202210-25
https://security.netapp.com/advisory/ntap-20221228-0010/
https://www.debian.org/security/2022/dsa-5235

CVSS

Base:	7.5
Impact:	3.6
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	HIGH

CVSS vektor

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

Zadnje važnije ažuriranje

28-05-2025 - 16:15

Objavljeno

21-09-2022 - 11:15