Webgate Embedded Standard Protocol Sdk WESPCONFIGLib.UserItem ConnectEx3 second memory corruption

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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Webgate Embedded Standard Protocol Sdk. Affected is the function ConnectEx3 in the library WESPCONFIGLib.UserItem of the component Protocol. The manipulation of the argument second leads to memory corruption. This vulnerability is documented as CVE-2015-2097. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Webgate Embedded Standard Protocol Sdk (version now known) and classified as critical. This issue affects the function ConnectEx3 in the library WESPCONFIGLib.UserItem of the component Protocol. The manipulation of the argument second with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in WebGate Embedded Standard Protocol (WESP) SDK allow remote attackers to execute arbitrary code via unspecified vectors to the (1) LoadImage or (2) LoadImageEx function in the WESPMonitor.WESPMonitorCtrl.1 control, (3) ChangePassword function in the WESPCONFIGLib.UserItem control, Connect function in the (4) WESPSerialPort.WESPSerialPortCtrl.1 or (5) WESPPLAYBACKLib.WESPPlaybackCtrl control, or (6) AddID function in the WESPCONFIGLib.IDList control or a (7) long string to the second argument to the ConnectEx3 function in the WESPPLAYBACKLib.WESPPlaybackCtrl control.

The weakness was released 03/09/2015 by rgod (Website). The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2015-2097 since 02/26/2015. 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.

A public exploit has been developed by Praveen Darshanam and been published 3 weeks after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 81702 (WEBGATE ActiveX Controls Multiple Buffer Overflows), 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 123487 (WebGate eDVR Manager ActiveX Controls Multiple Buffer Overflow Vulnerabilities).

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 databases at Exploit-DB (36505), Tenable (81702), SecurityFocus (BID 72835†) and OSVDB (118893†). Entries connected to this vulnerability are available at VDB-74377, VDB-74378, VDB-74379 and VDB-74380. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Praveen Darshanam
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81702
Nessus Name: WEBGATE ActiveX Controls Multiple Buffer Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

02/26/2015 🔍
02/27/2015 +1 days 🔍
03/09/2015 +10 days 🔍
03/09/2015 +0 days 🔍
03/09/2015 +0 days 🔍
03/26/2015 +17 days 🔍
03/26/2015 +0 days 🔍
03/30/2015 +4 days 🔍
07/02/2025 +3747 days 🔍

Sourcesinfo

Advisory: 131072
Researcher: rgod
Status: Confirmed

CVE: CVE-2015-2097 (🔍)
GCVE (CVE): GCVE-0-2015-2097
GCVE (VulDB): GCVE-100-74381
SecurityFocus: 72835 - WebGate eDVR Manager CVE-2015-2097 Multiple Stack Buffer Overflow Vulnerabilities
OSVDB: 118893

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

Entryinfo

Created: 03/30/2015 12:32
Updated: 07/02/2025 14:49
Changes: 03/30/2015 12:32 (55), 04/14/2018 08:41 (17), 05/01/2022 09:33 (3), 07/02/2025 14:49 (14)
Complete: 🔍
Cache ID: 216:459:103

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