发布日期：2021-06-02
更新日期：2021-06-04

受影响系统：

Cisco Webex Network Recording Player for Windows < 41.2
Cisco Webex Player for Windows < 41.2
Cisco Webex Network Recording Player for MacOS < 41.2
Cisco Webex Player for MacOS < 41.2

描述：

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CVE(CAN) ID: CVE-2021-1503

WebEx Network Recording Player是一款录制高级文件格式文件WebEx播放器。
Cisco Webex Network Recording Player for Windows和MacOS 41.2之前版本和Cisco Webex Player for Windows和MacOS 41.2之前版本存在内存破坏漏洞。该漏洞源于程序未对高级录制格式(ARF)或Webex录制格式(WRF)的Webex录制文件中的值进行正确验证。攻击者可通过发送恶意ARF或WRF文件利用该漏洞在受影响的系统上执行任意代码。

<*来源：Kushal Arvind Shah（Fortinet's FortiGuard Labs）
  
  链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-rCFDeVj2
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建议：

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厂商补丁：

Cisco
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Cisco已经为此发布了一个安全公告（cisco-sa-webex-player-rCFDeVj2）以及相应补丁:
cisco-sa-webex-player-rCFDeVj2：Cisco Webex Network Recording Player and Webex Player Memory Corruption Vulnerability
链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-rCFDeVj2

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