Responsive Filemanager up to 9.13.3 Archive ajax_calls.php path traversal

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Responsive Filemanager up to 9.13.3. Impacted is an unknown function of the file /filemanager/ajax_calls.php of the component Archive Handler. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2018-15536. Local access is required to approach this attack. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Responsive Filemanager up to 9.13.3. It has been rated as critical. This issue affects some unknown processing of the file /filemanager/ajax_calls.php of the component Archive Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity, and availability. The summary by CVE is:

/filemanager/ajax_calls.php in tecrail Responsive FileManager before 9.13.4 does not properly validate file paths in archives, allowing for the extraction of crafted archives to overwrite arbitrary files via an extract action, aka Directory Traversal.

The bug was discovered 08/20/2018. The weakness was disclosed 08/24/2018 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2018-15536 since 08/19/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available 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 4 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:filemanager/ajax_calls.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 9.13.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45271). The entry VDB-123226 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Responsive

Name

Filemanager

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Filemanager 9.13.4

Timelineinfo

08/19/2018 🔍
08/20/2018 +1 days 🔍
08/24/2018 +3 days 🔍
08/24/2018 +0 days 🔍
08/25/2018 +1 days 🔍
08/03/2025 +2535 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2018-15536 (🔍)
GCVE (CVE): GCVE-0-2018-15536
GCVE (VulDB): GCVE-100-123227
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/25/2018 08:39
Updated: 08/03/2025 03:46
Changes: 08/25/2018 08:39 (62), 03/18/2020 08:38 (4), 08/03/2025 03:46 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.