Quest NetVault Backup up to 11.3.0.11 sql injection

Summaryinfo

A vulnerability has been found in Quest NetVault Backup up to 11.3.0.11 and classified as critical. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in sql injection. This vulnerability is known as CVE-2017-17421. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Quest NetVault Backup up to 11.3.0.11 (Backup Software). This affects an unknown part. The manipulation with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Quest NetVault Backup 11.3.0.12. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NVBUSelectionSet Get method requests. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of the underlying database. Was ZDI-CAN-4232.

The bug was discovered 12/15/2017. The weakness was published 02/08/2018 (Website). The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2017-17421 since 12/05/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1505 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 55 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 11.3.0.12 eliminates this vulnerability.

Similar entries are available at VDB-113029, VDB-113028, VDB-113027 and VDB-113026. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Backup Software

Vendor

• Quest

Name

• NetVault Backup

Version

• 11.3.0.0
• 11.3.0.1
• 11.3.0.2
• 11.3.0.3
• 11.3.0.4
• 11.3.0.5
• 11.3.0.6
• 11.3.0.7
• 11.3.0.8
• 11.3.0.9
• 11.3.0.10
• 11.3.0.11

License

• commercial

Website

• Vendor: https://www.quest.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

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Entryinfo

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

Discussion