5.3

CVE-2020-15863

hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Qemu ≫ Qemu Version <= 5.0.0
Qemu ≫ Qemu Version 5.1.0 Update rc0
Debian ≫ Debian Linux Version 10.0
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.46% 0.375
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.3 1.1 3.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
NIST 4.4 3.4 6.4
AV:L/AC:M/Au:N/C:P/I:P/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://usn.ubuntu.com/4467-1/
Third Party Advisory
https://security.gentoo.org/glsa/202208-27
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2020/07/22/1
Patch
Third Party Advisory
Mailing List
https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html
Patch
Third Party Advisory
Mailing List
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html
Patch
Third Party Advisory
Mailing List
https://www.debian.org/security/2020/dsa-4760
Third Party Advisory