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CVE
PUBLISHED

CVE-2024-39529

Junos OS: SRX Series: If DNS traceoptions are configured in a DGA or tunnel detection scenario specific DNS traffic leads to a PFE crash

Assignerjuniper
Reserved2024-06-25
Published2024-07-11
Updated2024-07-12

Description

A Use of Externally-Controlled Format String vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). If DNS Domain Generation Algorithm (DGA) detection or tunnel detection, and DNS-filtering traceoptions are configured, and specific valid transit DNS traffic is received this causes a PFE crash and restart, leading to a Denial of Service. This issue affects Junos OS: * All versions before 21.4R3-S6, * 22.2 versions before 22.2R3-S3, * 22.3 versions before 22.3R3-S3, * 22.4 versions before 22.4R3, * 23.2 versions before 23.2R2.



HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Problem types

CWE-134 Use of Externally-Controlled Format String

Product status

Default status
unaffected

Any version before 21.4R3-S6
affected

22.2 before 22.2R3-S3
affected

22.3 before 22.3R3-S3
affected

22.4 before 22.4R3
affected

23.2 before 23.2R2
affected

References

https://supportportal.juniper.net/JSA82988 vendor-advisory

cve.org CVE-2024-39529

nvd.nist.gov CVE-2024-39529

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