An Improper Check or Handling of Exceptional Conditions vulnerability in the UTM (Unified Threat Management) Web-Filtering feature of Juniper Networks Junos OS on SRX Series causes a jbuf memory leak to occur when accessing certain websites, eventually leading to a Denial of Service (DoS) condition. Service restoration is only possible by rebooting the system.

The jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.

This issue affects Juniper Networks Junos OS on SRX Series:
22.2 versions prior to 22.2R3;
22.3 versions prior to 22.3R2-S1, 22.3R3;
22.4 versions prior to 22.4R1-S2, 22.4R2.

This issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00186.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Juniper Networks Junos OS unaffected
Version Status Constraints
22.2 affected < 22.2R3
22.3 affected < 22.3R2-S1, 22.3R3
22.4 affected < 22.4R1-S2, 22.4R2
unspecified unaffected < 22.2R2

Configuration 1 [-]

AND
OR cpe:2.3:o:juniper:junos:22.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.2:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.2:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.2:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.2:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.3:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.3:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.3:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.3:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:*
OR cpe:2.3:a:juniper:vsrx:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:csrx:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx100:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx110:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx1400:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx1500:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx210:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx220:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx240:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx240h2:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx240m:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx300:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx320:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx340:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx3400:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx345:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx3600:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx380:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx4000:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx4100:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx4200:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx4600:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx5000:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx5400:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx550:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx550_hm:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx550m:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx650:-:*:*:*:*:*:*:*

No data.

No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-40751 An Improper Check or Handling of Exceptional Conditions vulnerability in the UTM (Unified Threat Management) Web-Filtering feature of Juniper Networks Junos OS on SRX Series causes a jbuf memory leak to occur when accessing certain websites, eventually leading to a Denial of Service (DoS) condition. Service restoration is only possible by rebooting the system. The jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability. This issue affects Juniper Networks Junos OS on SRX Series: 22.2 versions prior to 22.2R3; 22.3 versions prior to 22.3R2-S1, 22.3R3; 22.4 versions prior to 22.4R1-S2, 22.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.
Fixes

Solution

The following software releases have been updated to resolve this specific issue: Junos OS 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.1R1, and all subsequent releases.

Workaround

There are no known workarounds for this issue.

References
Link Providers
https://supportportal.juniper.net/JSA71636 cve-icon cve-icon
History

Thu, 07 Nov 2024 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
CPEs cpe:2.3:a:juniper_networks:junos_os:*:*:*:*:*:*:*:*
Vendors & Products Juniper Networks
Juniper Networks junos Os
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published:

Updated: 2024-11-07T14:41:49.644Z

Reserved: 2023-06-27T16:17:25.275Z

Link: CVE-2023-36831

cve-icon Vulnrichment

Updated: 2024-08-02T17:01:09.920Z

cve-icon NVD

Status : Modified

Published: 2023-07-14T15:15:08.913

Modified: 2024-11-21T08:10:41.753

Link: CVE-2023-36831

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses