SonicWALL SonicOS/SonicOSv Certificate access control

Summaryinfo

A vulnerability, which was classified as critical, was found in SonicWALL SonicOS and SonicOSv. Affected is an unknown function of the component Certificate Handler. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2019-7474. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in SonicWALL SonicOS and SonicOSv (Firewall Software) (affected version not known) and classified as critical. This vulnerability affects some unknown functionality of the component Certificate Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in SonicWall SonicOS and SonicOSv, allow authenticated read-only admin to leave the firewall in an unstable state by downloading certificate with specific extension. 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 released 04/02/2019 (Website). The advisory is shared for download at psirt.global.sonicwall.com. This vulnerability was named CVE-2019-7474 since 02/06/2019. The attack can be initiated remotely. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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.

Entries connected to this vulnerability are available at VDB-132738 and VDB-132737. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Firewall Software

Vendor

• SonicWALL

Name

• SonicOS
• SonicOSv

License

• commercial

Website

• Vendor: https://www.sonicwall.com/

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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