Vulnerabilities > CVE-2021-3592 - Access of Uninitialized Pointer vulnerability in multiple products

047910
CVSS 3.8 - LOW
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
LOW
Integrity impact
NONE
Availability impact
NONE

Summary

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the 'bootp_t' structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.

Vulnerable Configurations

Part Description Count
Application
Libslirp_Project
200
OS
Redhat
2
OS
Debian
1
OS
Fedoraproject
2

Common Weakness Enumeration (CWE)