eBrigade up to 4.5 showfile.php File path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in eBrigade up to 4.5. The affected element is an unknown function of the file showfile.php. The manipulation of the argument File with the input ../ results in path traversal. This vulnerability is reported as CVE-2019-9622. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as problematic, was found in eBrigade up to 4.5. Affected is an unknown functionality of the file showfile.php. The manipulation of the argument file with the input value ../ leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. CVE summarizes:

eBrigade through 4.5 allows Arbitrary File Download via ../ directory traversal in the showfile.php file parameter, as demonstrated by reading the user-data/save/backup.sql file.

The bug was discovered 01/10/2019. The weakness was disclosed 03/07/2019 as EDB-ID 46109 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2019-9622 since 03/06/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The successful exploitation needs a authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

After immediately, there has been an exploit disclosed. The exploit is shared for download 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 56 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:showfile.php 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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46109). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• eBrigade

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Once again VulDB remains the best source for vulnerability data.

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