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CVE-2022-2795

Processing large delegations may severely degrade resolver performance

Published: Sep 21, 2022Updated: Nov 29, 2024 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
5.3MEDIUM
NVD MITRE
EPSS Score
1.7%
Top 24.7%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
АО «НТЦ ИТ РОСА»
commercial·RU
РОСА КобальтOn-prem
Operating Systems / linux-distro
ROSA VirtualizationOn-prem
Operating Systems / linux-distro
ISC
commercial·USaka internet systems consortium
bind
Networking Infrastructure
BIND9
Networking Infrastructure
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
and 7 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
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References

https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-bind-cve-2022-2795-cve-2022-2881-cve-2022-2906-cve-2022-3080-cve-2022-381/?sphrase_id=67327
redos.red-soft.ru
http://www.openwall.com/lists/oss-security/2022/09/21/3
openwall.com
https://kb.isc.org/docs/cve-2022-2795
kb.isc.org
and 77 more references View all →

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