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

Low severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Mar 15, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and could occur while processing a udp packet that is smaller than the size of the 'tftp_t' 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.

References

Published by the National Vulnerability Database Jun 15, 2021
Published to the GitHub Advisory Database May 24, 2022
Last updated Mar 15, 2023

Severity

Low
3.8
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Weaknesses

CVE ID

CVE-2021-3595

GHSA ID

GHSA-q3wq-4hwf-24q4

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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