PT-2022-4938 · Isc+11 · Bind+11
Anat Bremler-Barr
+2
·
Published
2022-08-18
·
Updated
2026-01-30
·
CVE-2022-2795
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
BIND versions (affected versions not specified)
Description
The issue is related to a flaw in the resolver code of the DNS server, which can be exploited by flooding the target resolver with queries, significantly impairing its performance and effectively denying legitimate clients access to the DNS resolution service. This can lead to a denial of service (DoS) attack. The vulnerability is associated with improper management of internal resources within the application when handling large delegations.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Out of bounds Read
Improper Verification of Cryptographic Signature
Resource Exhaustion
Special Elements Injection
Memory Leak
RCE
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Bind
Bind Server
Centos
Ibm Aix
Linuxmint
Red Hat
Red Os
Suse
Ubuntu