SB2022120902 - Multiple vulnerabilities in VMware ESXi

Description

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2022-31699)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a boundary error in OpenSLP. A local user with restricted privileges within a sandbox process can trigger a heap overflow and gain access to sensitive information.

2) Buffer overflow (CVE-ID: CVE-2022-31696)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the way network socket are handled. A local privileged user can trigger memory corruption and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://www.vmware.com/security/advisories/VMSA-2022-0030.html
• https://www.zerodayinitiative.com/advisories/ZDI-22-1686/