Vulnerabilities > CVE-2021-3593 - Access of Uninitialized Pointer vulnerability in multiple products

CVSS 3.8 - LOW

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

LOW

Confidentiality impact

LOW

Integrity impact

NONE

Availability impact

NONE

local

low complexity

NVD

Published: 2021-06-15

Updated: 2024-11-21

Summary

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. 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 Libslirp Project Libslirp 0.6.0 Libslirp Project Libslirp 0.6.1 Libslirp Project Libslirp 0.7.0 Libslirp Project Libslirp 0.7.1 Libslirp Project Libslirp 0.8.1 Libslirp Project Libslirp 0.8.2 Libslirp Project Libslirp 0.9.0 Libslirp Project Libslirp 0.9.1 Libslirp Project Libslirp 0.10.0 Libslirp Project Libslirp 0.10.1 Libslirp Project Libslirp 0.10.2 Libslirp Project Libslirp 0.10.3 Libslirp Project Libslirp 0.10.4 Libslirp Project Libslirp 0.10.5 Libslirp Project Libslirp 0.10.6 Libslirp Project Libslirp 0.11.0 Libslirp Project Libslirp 0.12.0 Libslirp Project Libslirp 0.12.1 Libslirp Project Libslirp 0.13.0 Libslirp Project Libslirp 0.14.0 Libslirp Project Libslirp 0.15.0 Libslirp Project Libslirp 0.15.1 Libslirp Project Libslirp 1.0 Libslirp Project Libslirp 1.0.1 Libslirp Project Libslirp 1.1.0 Libslirp Project Libslirp 1.1.1 Libslirp Project Libslirp 1.1.2 Libslirp Project Libslirp 1.2.0 Libslirp Project Libslirp 1.3.0 Libslirp Project Libslirp 1.3.1 Libslirp Project Libslirp 1.4.0 Libslirp Project Libslirp 1.5.0 Libslirp Project Libslirp 1.5.1 Libslirp Project Libslirp 1.5.2 Libslirp Project Libslirp 1.5.3 Libslirp Project Libslirp 1.6.0 Libslirp Project Libslirp 1.6.1 Libslirp Project Libslirp 1.6.2 Libslirp Project Libslirp 1.7.0 Libslirp Project Libslirp 1.7.1 Libslirp Project Libslirp 1.7.2 Libslirp Project Libslirp 2.0.0 Libslirp Project Libslirp 2.0.1 Libslirp Project Libslirp 2.0.2 Libslirp Project Libslirp 2.1.0 Libslirp Project Libslirp 2.1.1 Libslirp Project Libslirp 2.2.0 Libslirp Project Libslirp 2.2.1 Libslirp Project Libslirp 2.3.0 Libslirp Project Libslirp 2.3.1 Libslirp Project Libslirp 2.4.0 Libslirp Project Libslirp 2.4.0.1 Libslirp Project Libslirp 2.5.0 Libslirp Project Libslirp 2.5.1 Libslirp Project Libslirp 2.5.1.1 Libslirp Project Libslirp 2.6.0 Libslirp Project Libslirp 2.7.0 Libslirp Project Libslirp 2.8.0 Libslirp Project Libslirp 2.8.1 Libslirp Project Libslirp 2.8.1.1 Libslirp Project Libslirp 2.9.0 Libslirp Project Libslirp 2.10.0 Libslirp Project Libslirp 2.11.0 Libslirp Project Libslirp 2.11.1 Libslirp Project Libslirp 2.11.2 Libslirp Project Libslirp 2.12.0 Libslirp Project Libslirp 2.12.1 Libslirp Project Libslirp 3.0.0 Libslirp Project Libslirp 3.1.0 Libslirp Project Libslirp 4.0.0 Libslirp Project Libslirp 4.1.0 Libslirp Project Libslirp 4.2.0 Libslirp Project Libslirp 4.3.0 Libslirp Project Libslirp 4.3.1 Libslirp Project Libslirp 4.4.0 Libslirp Project Libslirp 4.5.0	200
OS	Redhat Redhat Enterprise Linux 8.0	2
OS	Fedoraproject Fedoraproject Fedora 33 Fedoraproject Fedora 34	2
OS	Debian Debian Debian Linux 9.0	1

Common Weakness Enumeration (CWE)

CWE-824 - Access of Uninitialized Pointer

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References