VDB-270476 · CVE-2023-49867 · TALOS-2023-1904

LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623 Realtek rtl819x Jungle SDK formWsc stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. This affects the function formWsc of the component Realtek rtl819x Jungle SDK. Such manipulation leads to stack-based overflow. This vulnerability is documented as CVE-2023-49867. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in LevelOne WBR-6013 RER4_A_v3411b_2T2R_LEV_09_170623. It has been rated as critical. Affected by this issue is the function formWsc of the component Realtek rtl819x Jungle SDK. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

A stack-based buffer overflow vulnerability exists in the boa formWsc functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to trigger this vulnerability.

The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2023-49867 since 12/12/2023. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/12/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

LevelOne

Name

WBR-6013

Version

RER4_A_v3411b_2T2R_LEV_09_170623

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.2
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector (talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2023 🔍
07/08/2024 +208 days 🔍
07/08/2024 +0 days 🔍
07/12/2024 +4 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1904
Status: Not defined

CVE: CVE-2023-49867 (🔍)
GCVE (CVE): GCVE-0-2023-49867
GCVE (VulDB): GCVE-100-270476

Entryinfo

Created: 07/08/2024 17:40
Updated: 07/12/2024 04:21
Changes: 07/08/2024 17:40 (63), 07/08/2024 17:44 (1), 07/12/2024 04:21 (2)
Complete: 🔍
Cache ID: 216::103