CVE-2017-11434

LOW

Description

The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.

References

http://www.debian.org/security/2017/dsa-3925

http://www.openwall.com/lists/oss-security/2017/07/19/2

http://www.securityfocus.com/bid/99923

https://bugzilla.redhat.com/show_bug.cgi?id=1472611

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.html

Details

Source: MITRE

Published: 2017-07-25

Updated: 2018-09-07

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 2.1

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM