vulnerability

Juniper Junos OS: 2024-04 Security Bulletin: Junos OS: SRX Branch Series and SRX 4000 Series: When DNS proxy is configured and specific DNS queries are received, resolver's performance is degraded (JSA79091) (CVE-2022-2795)

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Severity

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:P)

Published

Sep 21, 2022

Added

Apr 11, 2024

Modified

Mar 27, 2026

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.

Solution

juniper-junos-os-upgrade-latest

References

CVE-2022-2795
https://attackerkb.com/topics/CVE-2022-2795
EUVD-EUVD-2022-35036
JUNIPER-JSA79091
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-35036

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