6.8

CVE-2020-7039

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libslirp Project ≫ Libslirp Version4.1.0
Qemu ≫ Qemu Version4.2.0
Debian ≫ Debian Linux Version8.0
Debian ≫ Debian Linux Version9.0
Opensuse ≫ Leap Version15.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.57% 0.879
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.6 2.2 3.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
nvd@nist.gov 6.8 8.6 6.4
AV:N/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.

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0775
Third Party Advisory
https://seclists.org/bugtraq/2020/Feb/0
Third Party Advisory
Mailing List
https://www.debian.org/security/2020/dsa-4616
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/01/16/2
Patch
Third Party Advisory
Mailing List
https://access.redhat.com/errata/RHSA-2020:0348
Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289
Patch
Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80
Patch
Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202005-02
Third Party Advisory
https://usn.ubuntu.com/4283-1/
Third Party Advisory