CVE-2023-36844
Junos OS: EX Series: A PHP vulnerability in J-Web allows an unauthenticated attacker to control important environment variables
In short
A flaw in J-Web (Juniper's web interface) on EX Series switches allows anyone on the network to change important PHP settings without logging in. This could weaken security and potentially be combined with other attacks.
Technical detail
PHP external variable modification vulnerability in J-Web enables unauthenticated network attackers to manipulate critical PHP environment variables via crafted requests. This results in partial integrity loss and may facilitate chaining with additional vulnerabilities on affected Junos OS EX Series versions.
Summary generated and translated by AI from the official description.
A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series 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.
This issue affects Juniper Networks Junos OS on EX Series:
* All versions prior to 20.4R3-S9;
* 21.1 versions 21.1R1 and later;
* 21.2 versions prior to 21.2R3-S7;
* 21.3 versions
prior to
21.3R3-S5;
* 21.4 versions
prior to
21.4R3-S5;
* 22.1 versions
prior to
22.1R3-S4;
* 22.2 versions
prior to
22.2R3-S2;
* 22.3 versions
prior to 22.3R3-S1;
* 22.4 versions
prior to
22.4R2-S2, 22.4R3;
* 23.2 versions prior to
23.2R1-S1, 23.2R2.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Juniper Networks · Junos OSpublic PoCs found — 4
githubgithub.com/watchtowrlabs/juniper-rce_cve-2023-36844★ 115githubgithub.com/r3dcl1ff/CVE-2023-36844_Juniper_RCE★ 5githubgithub.com/Ap0dexMe0/CVE-2023-36844★ 0cve_referencepacketstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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