Rejetto HTTP File Server up to 2.x parserLib.pas findMacroMarker code injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.13

Summaryinfo

A vulnerability classified as critical has been found in Rejetto HTTP File Server up to 2.x. This impacts the function findMacroMarker in the library parserLib.pas. The manipulation leads to code injection. This vulnerability is documented as CVE-2014-6287. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Rejetto HTTP File Server up to 2.x and classified as critical. This issue affects the function findMacroMarker in the library parserLib.pas. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The findMacroMarker function in parserLib.pas in Rejetto HTTP File Server (aks HFS or HttpFileServer) 2.3x before 2.3c allows remote attackers to execute arbitrary programs via a %00 sequence in a search action.

The weakness was released 10/07/2014 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2014-6287 since 09/09/2014. The exploitation is known to be easy. 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. MITRE ATT&CK project uses the attack technique T1059 for this issue.

A public exploit has been developed by Daniele Linguaglossa and been published before and not just after the advisory. The exploit is available at exploit-db.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13023 (HTTP File Server "ParserLib.pas" Remote Command Execution Vulnerability). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/25/2022 with a due date of 04/15/2022:

Apply updates per vendor instructions.

Upgrading to version 2.3b eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 17023.

The vulnerability is also documented in the databases at X-Force (95950), Exploit-DB (34668), SecurityFocus (BID 69782†) and Vulnerability Center (SBV-46797†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Author: Daniele Linguaglossa
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 801039
OpenVAS Name: HTTP File Server Remote Command Execution Vulnerability-02 Jan16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: rejetto_hfs_exec.rb
MetaSploit Name: Rejetto HttpFileServer Remote Command Execution
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP File Server 2.3b
Patch: github.com
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/09/2014 🔍
09/12/2014 +3 days 🔍
09/12/2014 +0 days 🔍
09/15/2014 +3 days 🔍
09/15/2014 +0 days 🔍
10/07/2014 +22 days 🔍
10/07/2014 +0 days 🔍
10/27/2014 +20 days 🔍
03/26/2015 +150 days 🔍
12/20/2024 +3557 days 🔍

Sourcesinfo

Advisory: 128243
Status: Confirmed

CVE: CVE-2014-6287 (🔍)
GCVE (CVE): GCVE-0-2014-6287
GCVE (VulDB): GCVE-100-71861
CERT: 🔍
X-Force: 95950
SecurityFocus: 69782 - HTTP File Server 'ParserLib.pas' Remote Command Execution Vulnerability
Vulnerability Center: 46797 - Rejetto HTTP File Server Remote Host Privilege via a %00 Sequence, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/26/2015 16:14
Updated: 12/20/2024 05:18
Changes: 03/26/2015 16:14 (64), 06/10/2017 09:36 (14), 03/29/2022 21:21 (4), 03/29/2022 21:32 (11), 04/24/2024 09:14 (23), 09/09/2024 22:29 (1), 11/03/2024 09:10 (1), 12/15/2024 02:18 (2), 12/20/2024 05:18 (5)
Complete: 🔍
Cache ID: 216:087:103

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