CVE-2021-3592 - CVE House

Back to Database

Status published Low CVE-2021-3592

An invalid pointer initialization issue was found in the SLiRP...

3.8 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-3592

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from n/a

View All →

Versions of the package jsondiffpatch before 0.7.2 are vulnerable to...

RemoteClinic profile.php sql injection

Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery

RemoteClinic edit-my-profile.php unrestricted upload

RemoteClinic edit-patient.php information disclosure

Affected Vendor

n/a

View all reports →

Affected Software

QEMU

Vulnerable Versions:

libslirp 4.6.0

Timeline

Official Publish: June 15th, 2021

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation