SB2020081111 - Multiple vulnerabilities in Microsoft Windows Speech Runtime

Description

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1521)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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 within the Windows Speech Runtime. A local user can use a specially crafted application, trigger memory corruption and gain elevated privileges on the target system.

2) Buffer overflow (CVE-ID: CVE-2020-1522)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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 within the Windows Speech Runtime. A local user can use a specially crafted application, trigger memory corruption and gain elevated privileges on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-1521
• https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-1522