CVE-2018-17963

HIGH

Description

qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.

References

http://www.openwall.com/lists/oss-security/2018/10/08/1

https://access.redhat.com/errata/RHSA-2019:2166

https://access.redhat.com/errata/RHSA-2019:2425

https://access.redhat.com/errata/RHSA-2019:2553

https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.html

https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.html

https://usn.ubuntu.com/3826-1/

https://www.debian.org/security/2018/dsa-4338

Details

Source: MITRE

Published: 2018-10-09

Updated: 2020-05-14

Type: CWE-190

Risk Information

CVSS v2.0

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL