Cisco WebEx Meeting Manager up to 20.2008.2601.4927 ActiveX Control atucfobj.dll memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 0.00 |
A vulnerability has been found in Cisco WebEx Meeting Manager up to 20.2008.2601.4927 (Unified Communication Software) and classified as very critical. This vulnerability affects an unknown code in the library atucfobj.dll of the component ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in the WebexUCFObject ActiveX control in atucfobj.dll in Cisco WebEx Meeting Manager before 20.2008.2606.4919 allows remote attackers to execute arbitrary code via a long argument to the NewObject method.
The bug was discovered 08/06/2008. The weakness was published 08/08/2008 by Elazar Broad as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2008-3558 since 08/08/2008. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/11/2024).
It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 33859 (WebEx Meeting Manager WebexUCFObject ActiveX Control Buffer Overflow), 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.
Upgrading to version 20.2008.2601.4928 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 6317.
The vulnerability is also documented in the databases at X-Force (44250), Exploit-DB (6220), Tenable (33859), SecurityFocus (BID 30578†) and OSVDB (47344†). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Nessus ID: 33859
Nessus Name: WebEx Meeting Manager WebexUCFObject ActiveX Control Buffer Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Saint ID: exploit_info/webex_meeting_manager_atucfobj
Saint Name: WebEx Meeting Manager atucfobj.dll ActiveX buffer overflow
MetaSploit ID: webex_ucf_newobject.rb
MetaSploit Name: WebEx UCF atucfobj.dll ActiveX NewObject Method Buffer Overflow
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: WebEx Meeting Manager 20.2008.2601.4928
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍
Timeline
08/06/2008 🔍08/06/2008 🔍
08/07/2008 🔍
08/07/2008 🔍
08/08/2008 🔍
08/08/2008 🔍
08/08/2008 🔍
08/08/2008 🔍
08/11/2008 🔍
08/17/2008 🔍
03/17/2015 🔍
12/11/2024 🔍
Sources
Vendor: cisco.comAdvisory: kb.cert.org
Researcher: Elazar Broad
Status: Confirmed
CVE: CVE-2008-3558 (🔍)
GCVE (CVE): GCVE-0-2008-3558
GCVE (VulDB): GCVE-100-43600
CERT: 🔍
X-Force: 44250
SecurityFocus: 30578 - WebEx Meeting Manager 'atucfobj.dll' ActiveX Control Remote Buffer Overflow Vulnerability
Secunia: 31397 - Webex Meeting Manager WebexUCFObject ActiveX Control Buffer Overflow, Highly Critical
OSVDB: 47344 - Cisco Webex Meeting Manager WebexUCFObject ActiveX control buffer overflow
SecurityTracker: 1020641
Vulnerability Center: 19170 - [cisco-sa-20080814-webex] Cisco Webex Meeting Manager Vulnerability Allows Code Execution or DoS, High
Vupen: ADV-2008-2319
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/17/2015 12:19 PMUpdated: 12/11/2024 07:34 PM
Changes: 03/17/2015 12:19 PM (94), 08/15/2019 05:40 PM (4), 11/03/2024 03:53 AM (16), 12/11/2024 07:34 PM (1)
Complete: 🔍
Cache ID: 18:394:40
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