3.8

CVE-2021-3592

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libslirp Project ≫ Libslirp Version < 4.6.0
Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Enterprise Linux Version 8.0 SwEdition advanced_virtualization
Debian ≫ Debian Linux Version 9.0
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.25
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 3.8 2 1.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
NIST 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:P/I:N/A:N
CWE-824 Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html
Third Party Advisory
Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1970484
Patch
Third Party Advisory
Issue Tracking
https://lists.debian.org/debian-lts-announce/2021/09/msg00004.html
Third Party Advisory
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
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0004/
Third Party Advisory