WinSCP 3.8.1 Build328 code injection

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as critical was found in WinSCP 3.8.1 Build328 (Connectivity Software). This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Argument injection vulnerability in WinSCP 3.8.1 build 328 allows remote attackers to upload or download arbitrary files via encoded spaces and double-quote characters in a scp or sftp URI.

The weakness was presented 06/14/2006 by Jelmer as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2006-3015 since 06/14/2006. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 21737 (WinSCP URI Handler Arbitrary File Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371699 (WinSCP Argument injection vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (27075) and Tenable (21737).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
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CVSSv2info

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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059

Local: No
Remote: Yes

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

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Nessus ID: 21737
Nessus Name: WinSCP URI Handler Arbitrary File Access
Nessus File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

06/12/2006 🔍
06/12/2006 +0 days 🔍
06/12/2006 +0 days 🔍
06/14/2006 +2 days 🔍
06/14/2006 +0 days 🔍
06/14/2006 +0 days 🔍
06/20/2006 +5 days 🔍
06/21/2006 +1 days 🔍
06/25/2006 +4 days 🔍
03/12/2015 +3182 days 🔍
10/18/2018 +1316 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Researcher: Jelmer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-3015 (🔍)
X-Force: 27075
Vulnerability Center: 12008 - WinSCP Before 3.8.2 Remote Code Execution via a SCP or SFTP URI, Medium
SecurityFocus: 18384 - WinSCP URI Handler Remote Arbitrary File Access Vulnerability
Secunia: 20575 - WinSCP Protocol Handler Command Line Switch Injection, Highly Critical
Vupen: ADV-2006-2289

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

Entryinfo

Created: 03/12/2015 14:25
Updated: 10/18/2018 07:31
Changes: 03/12/2015 14:25 (63), 10/18/2018 07:31 (19)
Complete: 🔍

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