Sangfor Sundray WLAN Controller up to 3.7.4.2 SSH Service hard-coded credentials

Summaryinfo

A vulnerability marked as critical has been reported in Sangfor Sundray WLAN Controller up to 3.7.4.2. This vulnerability affects unknown code of the component SSH Service. Performing a manipulation results in hard-coded credentials. This vulnerability is identified as CVE-2019-9160. The attack can be initiated remotely. There is not any exploit available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Sangfor Sundray WLAN Controller up to 3.7.4.2 (Wireless LAN Software). This affects an unknown code of the component SSH Service. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. CWE is classifying the issue as CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a backdoor account allowing a remote attacker to login to the system via SSH (on TCP port 22345) and escalate to root (because the password for root is the WebUI admin password concatenated with a static string).

The bug was discovered 02/25/2019. The weakness was released 04/18/2019. This vulnerability is uniquely identified as CVE-2019-9160 since 02/25/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/04/2023). The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 52 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling tcp/22345.

Entry connected to this vulnerability is available at VDB-133852. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Wireless LAN Software

Vendor

• Sangfor Sundray

Name

• WLAN Controller

Version

• 3.7.4.0
• 3.7.4.1
• 3.7.4.2

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

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• 🔍
• 🔍

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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