CVE-2018-17963

CRITICAL
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

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

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

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* versions up to 3.0.0 (inclusive)

cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*

cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*

cpe:2.3:a:qemu:qemu:3.1.0:rc2:*:*:*:*:*:*

cpe:2.3:a:qemu:qemu:3.1.0:rc3:*:*:*:*:*:*

Configuration 2

OR

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 3

OR

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openstack:13.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:*

cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:virtualization_manager:4.3:*:*:*:*:*:*:*

Tenable Plugins

View all (28 total)

IDNameProductFamilySeverity
144829EulerOS Virtualization 3.0.2.6 : qemu (EulerOS-SA-2021-1057)NessusHuawei Local Security Checks
critical
138009EulerOS Virtualization 3.0.6.0 : qemu-kvm (EulerOS-SA-2020-1790)NessusHuawei Local Security Checks
critical
135559EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)NessusHuawei Local Security Checks
critical
131585EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2019-2431)NessusHuawei Local Security Checks
critical
128205RHEL 7 : Virtualization Manager (RHSA-2019:2553) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)NessusRed Hat Local Security Checks
critical
127689RHEL 7 : qemu-kvm-ma (RHSA-2019:2166)NessusRed Hat Local Security Checks
critical
123634SUSE SLES12 Security Update : xen (SUSE-SU-2019:0827-1)NessusSuSE Local Security Checks
critical
123633SUSE SLES12 Security Update : xen (SUSE-SU-2019:0825-1)NessusSuSE Local Security Checks
critical
123389openSUSE Security Update : qemu (openSUSE-2019-961)NessusSuSE Local Security Checks
critical
121004SUSE SLES11 Security Update : xen (SUSE-SU-2019:13921-1)NessusSuSE Local Security Checks
critical
120983SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2019:0003-1)NessusSuSE Local Security Checks
critical
120587Fedora 29 : 2:qemu (2018-87f2ace20d)NessusFedora Local Security Checks
critical
120171SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2018:3927-1)NessusSuSE Local Security Checks
critical
119872SUSE SLES12 Security Update : qemu (SUSE-SU-2018:4237-1)NessusSuSE Local Security Checks
critical
119763SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2018:4185-1)NessusSuSE Local Security Checks
critical
119741SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2018:4129-1)NessusSuSE Local Security Checks
critical
119717openSUSE Security Update : qemu (openSUSE-2018-1563)NessusSuSE Local Security Checks
critical
119491openSUSE Security Update : qemu (openSUSE-2018-1483)NessusSuSE Local Security Checks
critical
119456SUSE SLES11 Security Update : kvm (SUSE-SU-2018:3987-1)NessusSuSE Local Security Checks
critical
119454SUSE SLES11 Security Update : kvm (SUSE-SU-2018:3975-1)NessusSuSE Local Security Checks
critical
119453SUSE SLES12 Security Update : qemu (SUSE-SU-2018:3973-1)NessusSuSE Local Security Checks
critical
119310Debian DLA-1599-1 : qemu security updateNessusDebian Local Security Checks
critical
119216Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : QEMU vulnerabilities (USN-3826-1)NessusUbuntu Local Security Checks
critical
119215SUSE SLES12 Security Update : qemu (SUSE-SU-2018:3912-1)NessusSuSE Local Security Checks
critical
118895Debian DSA-4338-1 : qemu - security updateNessusDebian Local Security Checks
critical
118563openSUSE Security Update : xen (openSUSE-2018-1331) (Foreshadow)NessusSuSE Local Security Checks
critical
118491SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:3490-1) (Foreshadow)NessusSuSE Local Security Checks
critical
118351SUSE SLES12 Security Update : xen (SUSE-SU-2018:3332-1)NessusSuSE Local Security Checks
critical