CVE-2015-5946 - Incomplete List of Disallowed Inputs

Severity

46%

Complexity

39%

Confidentiality

106%

Incomplete blacklist vulnerability in SuiteCRM 7.2.2 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension.

Incomplete blacklist vulnerability in SuiteCRM 7.2.2 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension.

CVSS 3.0 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 4.6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P).

Demo Examples

Incomplete List of Disallowed Inputs

CWE-184

The following code attempts to stop XSS attacks by removing all occurences of "script" in an input string.


               
}
return input.replaceAll("script", mask);

Because the code only checks for the lower-case "script" string, it can be easily defeated with upper-case script tags.

Overview

First reported 7 years ago

2017-08-07 20:29:00

Last updated 7 years ago

2017-08-15 01:29:00

Affected Software

SugarCRM 6.5.22

6.5.22

References

[oss-security] 20150806 Re: CVE Request: SuiteCRM Post-Auth Race Condition Shell Upload Remote Code Execution.

Broken Link, Mailing List, Third Party Advisory

[oss-security] 20160302 CVE Request(s): VTigerCRM and SugarCRM

Broken Link, Mailing List, Third Party Advisory

http://xiphosresearch.com/2016/03/01/Vulnerability-Inheritance-across-Forks.html

Exploit, Third Party Advisory

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