CVE-2023-36831

Summary

CVE-2023-36831 is an Improper Check or Handling of Exceptional Conditions vulnerability that affects the UTM Web-Filtering feature of Juniper Networks Junos OS on SRX Series. This issue leads to a jbuf memory leak when accessing certain websites, resulting in a Denial of Service (DoS) condition. The vulnerability is only present in SSL Proxy and UTM Web-Filtering configurations and impacts Juniper Networks Junos OS on SRX Series in versions 22.2 prior to 22.2R3, 22.3 prior to 22.3R2-S1 and 22.3R3, and 22.4 prior to 22.4R1-S2 and 22.4R2. Service restoration requires a system reboot. Juniper Networks Junos OS versions prior to 22.2R2 are not affected by this vulnerability.

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