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CVE-2021-3593

UNKNOWN
Published 2021-06-15T00:00:00
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No CVSS data available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed LOW

GHSA-3qp6-x64q-v369

Advisory Details

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.

CVSS Scoring

CVSS Score

2.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3593
WEB https://bugzilla.redhat.com/show_bug.cgi?id=1970487
WEB https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
WEB https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI
WEB https://security.gentoo.org/glsa/202107-44
WEB https://security.netapp.com/advisory/ntap-20210805-0004

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://bugzilla.redhat.com/show_bug.cgi?id=1970487
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI/
https://security.gentoo.org/glsa/202107-44
https://security.netapp.com/advisory/ntap-20210805-0004/
https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
Published: 2021-06-15T00:00:00
Last Modified: 2024-08-03T17:01:07.949Z
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