CVE-2024-21591
Assigner: juniper
Published: 2024-01-12T00:52:04.028Z
State: PUBLISHED
affected: defaultStatus: unaffected
platforms: SRX Series
EX Series
product: Junos OS
vendor: Juniper Networks
versions: lessThan: 20.4R3-S9
status: affected
version: 0
versionType: semver
lessThan: 21.2R3-S7
status: affected
version: 21.2
versionType: semver
lessThan: 21.3R3-S5
status: affected
version: 21.3
versionType: semver
lessThan: 21.4R3-S5
status: affected
version: 21.4
versionType: semver
lessThan: 22.1R3-S4
status: affected
version: 22.1
versionType: semver
lessThan: 22.2R3-S3
status: affected
version: 22.2
versionType: semver
lessThan: 22.3R3-S2
status: affected
version: 22.3
versionType: semver
lessThan: 22.4R2-S2, 22.4R3
status: affected
version: 22.4
versionType: semver
configurations: supportingMedia: base64: no
type: text/html
value: <p>The following minimal configuration must be present on the device:</p><tt>[system services web-management http]</tt><p>or</p><tt>[system services web-management https]</tt>
value: The following minimal configuration must be present on the device:

[system services web-management http]or

[system services web-management https]
credits: type: reporter
value: The Juniper SIRT would like to would like to acknowledge and thank Marco Lux of Curesec for responsibly reporting this vulnerability
datePublic: 2024-01-10T17:00:00.000Z
descriptions: supportingMedia: base64: no
type: text/html
value: 

<p>An Out-of-bounds Write vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS), or Remote Code Execution (RCE) and obtain root privileges on the device.</p><p>This issue is caused by use of an insecure function allowing an attacker to overwrite arbitrary memory.</p><p>This issue affects Juniper Networks Junos OS SRX Series and EX Series:</p><p></p><ul><li>Junos OS versions earlier than 20.4R3-S9;</li><li>Junos OS 21.2 versions earlier than 21.2R3-S7;</li><li>Junos OS 21.3 versions earlier than 21.3R3-S5;</li><li>Junos OS 21.4 versions earlier than 21.4R3-S5;</li><li>Junos OS 22.1 versions earlier than 22.1R3-S4;</li><li>Junos OS 22.2 versions earlier than 22.2R3-S3;</li><li>Junos OS 22.3 versions earlier than 22.3R3-S2;</li><li>Junos OS 22.4 versions earlier than 22.4R2-S2, 22.4R3.</li></ul><p></p>


value: 
An Out-of-bounds Write vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS), or Remote Code Execution (RCE) and obtain root privileges on the device.

This issue is caused by use of an insecure function allowing an attacker to overwrite arbitrary memory.

This issue affects Juniper Networks Junos OS SRX Series and EX Series:



  *  Junos OS versions earlier than 20.4R3-S9;
  *  Junos OS 21.2 versions earlier than 21.2R3-S7;
  *  Junos OS 21.3 versions earlier than 21.3R3-S5;
  *  Junos OS 21.4 versions earlier than 21.4R3-S5;
  *  Junos OS 22.1 versions earlier than 22.1R3-S4;
  *  Junos OS 22.2 versions earlier than 22.2R3-S3;
  *  Junos OS 22.3 versions earlier than 22.3R3-S2;
  *  Junos OS 22.4 versions earlier than 22.4R2-S2, 22.4R3.







exploits: supportingMedia: base64: no
type: text/html
value: <p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>
value: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.


metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
format: CVSS
scenarios: value: GENERAL
problemTypes: descriptions: cweId: CWE-787
description: CWE-787 Out-of-bounds Write
type: CWE
solutions: supportingMedia: base64: no
type: text/html
value: <p>The following software releases have been updated to resolve this specific issue: </p><p>Junos OS: 20.4R3-S9, 21.2R3-S7, 21.3R3-S5, 21.4R3-S5, 22.1R3-S4, 22.2R3-S3, 22.3R3-S2, 22.4R2-S2, 22.4R3, 23.2R1-S1, 23.2R2, 23.4R1, and all subsequent releases.</p>
value: The following software releases have been updated to resolve this specific issue: 

Junos OS: 20.4R3-S9, 21.2R3-S7, 21.3R3-S5, 21.4R3-S5, 22.1R3-S4, 22.2R3-S3, 22.3R3-S2, 22.4R2-S2, 22.4R3, 23.2R1-S1, 23.2R2, 23.4R1, and all subsequent releases.


source: advisory: JSA75729
defect: 1747984
discovery: EXTERNAL
timeline: time: 2024-01-10T17:00:00.000Z
value: Initial Publication
time: 2024-02-09T20:00:00.000Z
value: Added third-party advisory reference link
title: Junos OS: SRX Series and EX Series: Security Vulnerability in J-web allows a preAuth Remote Code Execution
workarounds: supportingMedia: base64: no
type: text/html
value: <p>Disable J-Web, or limit access to only trusted hosts.</p>
value: Disable J-Web, or limit access to only trusted hosts.


x_generator: engine: Vulnogram 0.1.0-av217