SonicWALL SonicOS/SonicOSv Routing Service access control

Summaryinfo

A vulnerability has been found in SonicWALL SonicOS and SonicOSv and classified as critical. Affected by this vulnerability is an unknown functionality of the component Routing Service. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2019-7475. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SonicWALL SonicOS and SonicOSv (Firewall Software) (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Routing Service. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in SonicWall SonicOS and SonicOSv with management enabled system on specific configuration allow unprivileged user to access advanced routing services. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).

The bug was discovered 04/01/2019. The weakness was disclosed 04/02/2019 (Website). The advisory is shared at psirt.global.sonicwall.com. The identification of this vulnerability is CVE-2019-7475 since 02/06/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-132738 and VDB-132736 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• SonicWALL

Name

• SonicOS
• SonicOSv

License

• commercial

Website

• Vendor: https://www.sonicwall.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion