CVE-2023-36844 — Juniper Junos OS EX Series PHP External Variable Modification Vulnerability

[event] Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.

> AFFECTED SOFTWARE

> MITIGATION

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due Date: 2023-11-17

> REFERENCES

• [1] https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bullet...
• [2] https://nvd.nist.gov/vuln/detail/CVE-2023-36844