Opentext Documentum Webtop 5.3 SP2 URL default.htm startat redirect

Summaryinfo

A vulnerability classified as problematic was found in Opentext Documentum Webtop 5.3 SP2. This issue affects some unknown processing of the file /webtop/help/en/default.htm of the component URL Handler. The manipulation of the argument startat as part of Parameter results in redirect. This vulnerability was named CVE-2019-7416. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in Opentext Documentum Webtop 5.3 SP2. Affected is an unknown function of the file /webtop/help/en/default.htm of the component URL Handler. The manipulation of the argument startat as part of a Parameter leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on integrity. CVE summarizes:

XSS and/or a Client Side URL Redirect exists in OpenText Documentum Webtop 5.3 SP2. The parameter startat in "/webtop/help/en/default.htm" is vulnerable.

The bug was discovered 02/06/2019. The weakness was presented 03/21/2019 as not defined mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2019-7416 since 02/05/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1204.001.

The vulnerability was handled as a non-public zero-day exploit for at least 43 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:webtop/help/en/default.htm it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Opentext

Name

• Documentum Webtop

Version

• 5.3 SP2

License

• commercial

CPE 2.3info

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CPE 2.2info

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