Palo Alto Networks has disclosed a high-severity vulnerability impacting PAN-OS software program that might trigger a denial-of-service (DoS) situation on inclined gadgets.
The flaw, tracked as CVE-2024-3393 (CVSS rating: 8.7), impacts PAN-OS variations 10.X and 11.X, in addition to Prisma Entry operating PAN-OS variations. It has been addressed in PAN-OS 10.1.14-h8, PAN-OS 10.2.10-h12, PAN-OS 11.1.5, PAN-OS 11.2.3, and all later PAN-OS variations.
“A denial-of-service vulnerability within the DNS Safety characteristic of Palo Alto Networks PAN-OS software program permits an unauthenticated attacker to ship a malicious packet by means of the information airplane of the firewall that reboots the firewall,” the corporate stated in a Friday advisory.
“Repeated makes an attempt to set off this situation will trigger the firewall to enter upkeep mode.”
Palo Alto Networks stated it found the flaw in manufacturing use, and that it is conscious of shoppers “experiencing this denial-of-service (DoS) when their firewall blocks malicious DNS packets that set off this challenge.”
The extent of the exercise is presently unknown. The Hacker Information has reached out to Palo Alto Networks for additional remark, and we are going to replace the story if we hear again.
It is value declaring that firewalls which have the DNS Safety logging enabled are affected by CVE-2024-3393. The severity of the flaw additionally drops to a CVSS rating of seven.1 when entry is simply supplied to authenticated finish customers by way of Prisma Entry.
The fixes have additionally been prolonged to different generally deployed upkeep releases –
- PAN-OS 11.1 (11.1.2-h16, 11.1.3-h13, 11.1.4-h7, and 11.1.5)
- PAN-OS 10.2 (10.2.8-h19, 10.2.9-h19, 10.2.10-h12, 10.2.11-h10, 10.2.12-h4, 10.2.13-h2, and 10.2.14)
- PAN-OS 10.1 (10.1.14-h8 and 10.1.15)
- PAN-OS 10.2.9-h19 and 10.2.10-h12 (solely relevant to Prisma Entry)
- PAN-OS 11.0 (No repair owing to it reaching end-of-life standing on November 17, 2024)
As workarounds and mitigations for unmanaged firewalls or these managed by Panorama, clients have the choice of setting Log Severity to “none” for all configured DNS Safety classes for every Anti-Spy ware profile by navigating to Objects > Safety Profiles > Anti-spyware > (choose a profile) > DNS Insurance policies > DNS Safety.
For firewalls managed by Strata Cloud Supervisor (SCM), customers can both comply with the above steps to disable DNS Safety logging immediately on every machine, or throughout all of them by opening a help case. For Prisma Entry tenants managed by SCM, it is really helpful to open a help case to show off logging till an improve is carried out.
