CVE-2020-3127: Cisco WebEx Network Recording Player ARF File Uninitialized Pointer Remote Code Execution Vulnerability
First published: Wed Mar 04 2020(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco WebEx Network Recording Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of ARF files. Crafted data in an ARF file can trigger access to memory prior to initialization. An attacker can leverage this vulnerability to execute code in the context of the current process.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Webex | ||
| Cisco Webex Meetings | >=39.5<39.5.17 | |
| Cisco Webex Meetings Online | <1.3.43 | |
| Cisco WebEx Meetings Server | <3.0 | |
| Cisco WebEx Meetings Server | =3.0 | |
| Cisco WebEx Meetings Server | =3.0-maintenance_release1 | |
| Cisco WebEx Meetings Server | =3.0-maintenance_release2 | |
| Cisco WebEx Meetings Server | =3.0-maintenance_release3 | |
| Cisco WebEx Meetings Server | =4.0 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release1 | |
| Cisco WebEx Meetings Server | =4.0-maintenance_release2 | |
| Cisco Webex Network Recording Player | <39.5.17 | |
| Cisco Webex Network Recording Player | <39.11.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-3127.
What is the severity of CVE-2020-3127?
The severity of CVE-2020-3127 is critical, with a severity value of 7.8.
What software is affected by CVE-2020-3127?
The following software is affected by CVE-2020-3127: Cisco Webex Network Recording Player for Microsoft Windows, Cisco Webex Player for Microsoft Windows, Cisco Webex Meetings, Cisco Webex Meetings Online, Cisco WebEx Meetings Server.
How can an attacker exploit CVE-2020-3127?
An attacker can exploit CVE-2020-3127 by executing arbitrary code on an affected system.
Where can I find more information about CVE-2020-3127?
You can find more information about CVE-2020-3127 at the following references: [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200304-webex-player) and [Zero Day Initiative](https://www.zerodayinitiative.com/advisories/ZDI-20-269/).
- collector/zdi-advisory
- alias/ZDI-20-269
- alias/ZDI-CAN-9491
- alias/CVE-2020-3127
- collector/nvd-index
- agent/title
- agent/references
- agent/severity
- agent/author
- agent/weakness
- agent/type
- agent/tags
- agent/event
- agent/description
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- vendor/cisco
- canonical/cisco webex
- canonical/cisco webex meetings
- version/cisco webex meetings/39.5
- canonical/cisco webex meetings online
- canonical/cisco webex meetings server
- version/cisco webex meetings server/3.0
- version/cisco webex meetings server/3.0-maintenance_release1
- version/cisco webex meetings server/3.0-maintenance_release2
- version/cisco webex meetings server/3.0-maintenance_release3
- version/cisco webex meetings server/4.0
- version/cisco webex meetings server/4.0-maintenance_release1
- version/cisco webex meetings server/4.0-maintenance_release2
- canonical/cisco webex network recording player