JEXTN Question And Answer Extension 3.1.0 on Joomla an/ques-srch sql injection

Summaryinfo

A vulnerability has been found in JEXTN Question And Answer Extension 3.1.0 on Joomla and classified as critical. This impacts an unknown function. The manipulation of the argument an/ques-srch as part of Parameter leads to sql injection. This vulnerability is referenced as CVE-2017-17871. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in JEXTN Question And Answer Extension 3.1.0 on Joomla (Joomla Component) and classified as critical. This issue affects an unknown part. The manipulation of the argument an/ques-srch as part of a Parameter leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The "JEXTN Question And Answer" extension 3.1.0 for Joomla! has SQL Injection via the an parameter in a view=tags action, or the ques-srch parameter.

The bug was discovered 12/23/2017. The weakness was published 12/27/2017 as EDB-ID 43329 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-17871 since 12/23/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1505 for this issue.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 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 vulnerability is also documented in the vulnerability database at Exploit-DB (43329). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Joomla Component

Name

• JEXTN Question And Answer Extension

Version

• 3.1.0

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

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• 🔍

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Entryinfo

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

Discussion