Netgear SRX5308 up to 4.3.5-3 Web Management Interface platform.cgi ntp.server1 cross site scripting

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.
3.1	$0-$5k	0.03

Overview

A vulnerability has been found in Netgear SRX5308 up to 4.3.5-3 and classified as problematic. This vulnerability affects unknown code of the file scgi-bin/platform.cgi?page=time_zone.htm of the component Web Management Interface. The manipulation of the argument ntp.server1 leads to cross site scripting. Using CWE to declare the problem leads to CWE-79. The weakness was presented 04/28/2023. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-2390. The attack can be initiated remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The current price for an exploit might be approx. USD $0-$5k at the moment. The MITRE ATT&CK project declares the attack technique as T1059.007. It is declared as proof-of-concept. It is possible to download the exploit at github.com. As 0-day the estimated underground price was around $5k-$25k. The vendor was contacted early about this disclosure but did not respond in any way. [Details]

IOB - Indicator of Behavior (249)

Timeline

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Lang

en	240
pt	2
pl	2
fr	2
zh	2

Country

GB: Great Britain	68
IN: India	52
SE: Sweden	10
DE: Germany	6
US: USA	6

Actors

RedLine Stealer	1
Remcos	1
Carbanak	1
Naikon	1

Activities

IOC - Indicator of Compromise (3)

These indicators of compromise highlight associated network ranges which are known to be part of research and attack activities.

ID	IP range	Actor	Type	Confidence
1	34.141.168.0/24	RedLine Stealer	predictive	High
2	XX.XX.XXX.X/XX	Xxxxxxxx	predictive	High
3	XX.XXX.XX.X/XX	Xxxxxx	predictive	High

TTP - Tactics, Techniques, Procedures (1)

Tactics, techniques, and procedures summarize the suspected MITRE ATT&CK techniques used. This data is unique as it uses our predictive model for actor profiling.

ID	Technique	Class	Vulnerabilities	Access Vector	Type	Confidence
1	T1059.007	CAPEC-209	CWE-79	Cross Site Scripting	verified	High

IOA - Indicator of Attack (2)

These indicators of attack list the potential fragments used for technical activities like reconnaissance, exploitation, privilege escalation, and exfiltration. This data is unique as it uses our predictive model for actor profiling.

ID	Class	Indicator	Type	Confidence
1	File	scgi-bin/platform.cgi?page=time_zone.htm	verified	High
2	Argument	xxx.xxxxxxx	verified	Medium

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