CVE-2023-36844
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Juniper Networks | Junos OS | 0 < 20.4R3-S9 | affected |
| Juniper Networks | Junos OS | 21.1 < 21.1* | affected |
| Juniper Networks | Junos OS | 21.2 < 21.2R3-S6 | affected |
| Juniper Networks | Junos OS | 21.3 < 21.3R3-S5 | affected |
| Juniper Networks | Junos OS | 21.4 < 21.4R3-S5 | affected |
| Juniper Networks | Junos OS | 22.1 < 22.1R3-S4 | affected |
| Juniper Networks | Junos OS | 22.2 < 22.2R3-S2 | affected |
| Juniper Networks | Junos OS | 22.3 < 22.3R3-S1 | affected |
| Juniper Networks | Junos OS | 22.4 < 22.4R2-S2, 22.4R3 | affected |
| Juniper Networks | Junos OS | 23.2 < 23.2R1-S1, 23.2R2 | affected |
Weaknesses
- CWE-473: CWE-473 PHP External Variable Modification
Workarounds
Disable J-Web, or limit access to only trusted hosts.
ADP Enrichment
CVE Program Container
Additional References
- https://supportportal.juniper.net/JSA72300
- http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: active
- Automatable: yes
- Technical Impact: total
Additional References
References
- https://supportportal.juniper.net/JSA72300
- http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html
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