VDB-233156 · CVE-2023-22306 · TALOS-2023-1698

Milesight UR32L 32.3.0.5 Network Request libzebra.so bridge_group os command injection

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Milesight UR32L 32.3.0.5. Affected by this vulnerability is the function bridge_group in the library libzebra.so of the component Network Request Handler. Such manipulation leads to os command injection. This vulnerability is documented as CVE-2023-22306. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Milesight UR32L 32.3.0.5. Affected by this issue is the function bridge_group in the library libzebra.so of the component Network Request Handler. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An OS command injection vulnerability exists in the libzebra.so bridge_group functionality of Milesight UR32L v32.3.0.5. A specially crafted network packet can lead to command execution. An attacker can send a sequence of requests to trigger this vulnerability.

The weakness was released 07/06/2023 as TALOS-2023-1698. The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2023-22306 since 01/20/2023. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at talosintelligence.com. It is declared as proof-of-concept.

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

Milesight

Name

UR32L

Version

32.3.0.5

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/20/2023 🔍
07/06/2023 +166 days 🔍
07/06/2023 +0 days 🔍
07/06/2023 +0 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1698
Status: Not defined

CVE: CVE-2023-22306 (🔍)
GCVE (CVE): GCVE-0-2023-22306
GCVE (VulDB): GCVE-100-233156
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/06/2023 18:15
Changes: 07/06/2023 18:15 (54)
Complete: 🔍
Cache ID: 216::103