Cisco WebEx Network Recording Player/Webex Player on Windows memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Cisco WebEx Network Recording Player and Webex Player on Windows. It has been declared as critical. This affects an unknown part. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2019-1641. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability was found in Cisco WebEx Network Recording Player and Webex Player on Windows (Unified Communication Software) (version now known). It has been rated as critical. Affected by this issue is some unknown processing. The manipulation 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. CVE summarizes:
A vulnerability in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerability exist because the affected software improperly validates Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file via a link or email attachment and persuading the user to open the file with the affected software. Successful exploitation could allow the attacker to execute arbitrary code on the affected system.
The bug was discovered 01/23/2019. The weakness was published 01/23/2019 by Kushal Arvind Shah with Zero Day Initiative as cisco-sa-20190123-webex-rce as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2019-1641 since 12/06/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/06/2020).
The commercial vulnerability scanner Qualys is able to test this issue with plugin 371596 (Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities(cisco-sa-20190123-webex-rce)).
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 vulnerability database at SecurityFocus (BID 106704†). Similar entries are available at VDB-130216, VDB-130217, VDB-130218 and VDB-130219. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 7.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/06/2018 🔍01/23/2019 🔍
01/23/2019 🔍
01/23/2019 🔍
01/23/2019 🔍
01/24/2019 🔍
05/06/2020 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20190123-webex-rce
Researcher: Kushal Arvind Shah
Organization: Zero Day Initiative
Status: Confirmed
CVE: CVE-2019-1641 (🔍)
GCVE (CVE): GCVE-0-2019-1641
GCVE (VulDB): GCVE-100-130220
SecurityFocus: 106704 - Cisco WebEx Network Recording Player Multiple Remote Code Execution Vulnerabilities
See also: 🔍
Entry
Created: 01/24/2019 15:25Updated: 05/06/2020 06:31
Changes: 01/24/2019 15:25 (62), 05/06/2020 06:31 (5)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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