SB2020090713 - Denial of service in QEMU
Published: September 7, 2020
Security Bulletin ID
SB2020090713
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Division by zero (CVE-ID: CVE-2020-14415)
CWE-ID: CWE-369 - Divide By Zero
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to division by zero error within the oss_write() function in audio/ossaudio.c in QEMU. A remote user can run a specially crafted application to trigger the error and perform a denial if service (DoS) attack.
Remediation
Install update from vendor's website.