CVE-2021-34424: 
Zoom Client vulnerability analysis and mitigation

CVE-2021-34424 is a process memory exposure vulnerability discovered in Zoom Client and MMR (Multimedia Router) servers. The vulnerability was disclosed on November 24, 2021, and was assigned a CVSS score of 7.5. This security flaw potentially allowed exposure of the state of process memory in Zoom products, affecting Zoom version 5.8.0 and earlier versions (Rapid7, Hacker News).

The vulnerability was identified as a process memory exposure flaw that could potentially allow attackers to gain insight into arbitrary areas of the product's memory. The issue was discovered by Natalie Silvanovich of Google Project Zero. The vulnerability was particularly concerning due to the lack of ASLR (Address Space Layout Randomization) in the Zoom MMR process, which significantly increased the risk of memory corruption exploitation (Hacker News).

The vulnerability could potentially allow attackers to gain unauthorized access to arbitrary areas of the product's memory, potentially exposing sensitive information stored in the process memory. The severity of this vulnerability is reflected in its CVSS score of 7.5, indicating a significant security risk (Rapid7).

Zoom addressed this vulnerability in updates released on November 24, 2021. Users were advised to update to the latest version of Zoom software to receive the security fixes. The patch was included in version 5.15.6.19959 (ManageEngine).

Google Project Zero researchers highlighted concerns about Zoom's use of proprietary formats and protocols, as well as high licensing fees (nearly $1,500) as barriers to security research. They recommended that Zoom could do more to make their platform accessible to security researchers who wish to evaluate it (Hacker News).