Ubiquiti Networks EdgeSwitch up to 1.7.3 CLI os command injection

Summaryinfo

A vulnerability was found in Ubiquiti Networks EdgeSwitch up to 1.7.3 and classified as critical. This affects an unknown function of the component CLI. Such manipulation leads to os command injection. This vulnerability is uniquely identified as CVE-2018-12591. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Ubiquiti Networks EdgeSwitch up to 1.7.3 and classified as critical. Affected by this issue is an unknown code of the component CLI. 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:

Ubiquiti Networks EdgeSwitch version 1.7.3 and prior suffer from an improperly neutralized element in an OS command due to lack of protection on the admin CLI, leading to code execution and privilege escalation greater than administrators themselves are allowed. An attacker with access to an admin account could escape the restricted CLI and execute arbitrary shell instructions.

The bug was discovered 06/19/2018. The weakness was disclosed 06/20/2018 (Website). The advisory is shared for download at hackerone.com. This vulnerability is handled as CVE-2018-12591 since 06/20/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

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 entry VDB-119731 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Ubiquiti

Name

• Networks EdgeSwitch

Version

• 1.7.0
• 1.7.1
• 1.7.2
• 1.7.3

License

• commercial

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
• 🔍

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Once again VulDB remains the best source for vulnerability data.

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