CVE-2017-5539: Path Traversal
First published: Mon Jan 23 2017(Updated: )
The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Evolution | =6.8.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-5539?
CVE-2017-5539 has a high severity rating due to the potential for file deletion and unauthorized file access.
How do I fix CVE-2017-5539?
To fix CVE-2017-5539, upgrade b2evolution to version 6.8.5 or later.
What types of attacks can exploit CVE-2017-5539?
CVE-2017-5539 can be exploited for directory traversal attacks enabling unauthorized file reading or deletion.
Is CVE-2017-5539 related to any other vulnerabilities?
CVE-2017-5539 is related to CVE-2017-5480, which addressed directory traversal but was bypassed.
What software versions are affected by CVE-2017-5539?
CVE-2017-5539 affects b2evolution version 6.8.4.
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