Acunetix Web Vulnerability Scanner 10 AcuWVSSchedulerv10 access control

Summaryinfo

A vulnerability was found in Acunetix Web Vulnerability Scanner 10. It has been rated as problematic. This impacts the function AcuWVSSchedulerv10. This manipulation causes access control. The identification of this vulnerability is CVE-2015-4027. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in Acunetix Web Vulnerability Scanner 10 and classified as critical. Affected by this vulnerability is the function AcuWVSSchedulerv10. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The AcuWVSSchedulerv10 service in Acunetix Web Vulnerability Scanner (WVS) before 10 build 20151125 allows local users to gain privileges via a command parameter in the reporttemplate property in a params JSON object to api/addScan.

The weakness was shared 12/02/2015 by Daniele Linguaglossa as File 134602 (Packetstorm). The advisory is shared at packetstormsecurity.com. This vulnerability is known as CVE-2015-4027 since 05/19/2015. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed in Python and been published immediately after the advisory. It is possible to download the exploit at packetstormsecurity.com. It is declared as highly functional. The code used by the exploit is:

ACUEXPLOIT = "/Crawl http://www.google.it /Run \""+ COMMAND + "\""
ACUDATA = {"scanType":"scan",
   "targetList":"",
   "target":["http://"+"A"*2048],
   "recurse":"-1",
   "date":strftime("%m/%d/%Y", gmtime()),
   "dayOfWeek":"1",
   "dayOfMonth":"1",
   "time": "%s:%s" % (datetime.now().hour, datetime.now().minute+1),
   "deleteAfterCompletion":"False",
   "params":{"profile":"Default",
      "loginSeq":"<none>",
      "settings":"Default",
      "scanningmode":"heuristic",
      "excludedhours":"<none>",
      "savetodatabase":"True",
      "savelogs":"False",
      "generatereport":"False",
      "reportformat":"PDF",
      "reporttemplate":"WVSDeveloperReport.rep " + ACUEXPLOIT,
      "emailaddress":""}
   }

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 databases at X-Force (108530) and Exploit-DB (38847). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Acunetix

Name

• Web Vulnerability Scanner

Version

• 10

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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