Juniper Junos OS Evolved Kernel allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Juniper Junos OS Evolved. The impacted element is an unknown function of the component Kernel. The manipulation leads to allocation of resources. This vulnerability is uniquely identified as CVE-2024-47502. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS Evolved and classified as critical. This issue affects an unknown code of the component Kernel. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is:

An Allocation of Resources Without Limits or Throttling vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS). In specific cases the state of TCP sessions that are terminated is not cleared, which over time leads to an exhaustion of resources, preventing new connections to the control plane from being established. A continuously increasing number of connections shown by: user@host > show system connections is indicative of the problem. To recover the respective RE needs to be restarted manually. This issue only affects IPv4 but does not affect IPv6. This issue only affects TCP sessions established in-band (over an interface on an FPC) but not out-of-band (over the management ethernet port on the routing-engine). This issue affects Junos OS Evolved:  * All versions before 21.4R3-S9-EVO, * 22.2 versions before 22.2R3-S4-EVO, * 22.4 version before 22.4R3-S3-EVO, * 23.2 versions before 23.2R2-S1-EVO, * 23.4 versions before 23.4R2-EVO.

It is possible to read the advisory at supportportal.juniper.net. The identification of this vulnerability is CVE-2024-47502 since 09/25/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 208679 (Juniper Junos OS Vulnerability (JSA88132)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 21.4R3-S9-EVO, 22.2R3-S4-EVO, 22.4R3-S3-EVO, 23.2R2-S1-EVO or 23.4R2-EVO eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208679). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (juniper): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208679
Nessus Name: Juniper Junos OS Vulnerability (JSA88132)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS Evolved 21.4R3-S9-EVO/22.2R3-S4-EVO/22.4R3-S3-EVO/23.2R2-S1-EVO/23.4R2-EVO

Timelineinfo

09/25/2024 🔍
10/11/2024 +16 days 🔍
10/11/2024 +0 days 🔍
01/26/2026 +472 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA88132
Status: Confirmed

CVE: CVE-2024-47502 (🔍)
GCVE (CVE): GCVE-0-2024-47502
GCVE (VulDB): GCVE-100-280067

Entryinfo

Created: 10/11/2024 17:57
Updated: 01/26/2026 21:08
Changes: 10/11/2024 17:57 (79), 10/12/2024 03:27 (2), 01/26/2026 21:08 (1)
Complete: 🔍
Cache ID: 216::103

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