Critical severity · published Oct 9, 2018
CVE-2018-17963
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…
9.8
CVSS
4.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
OP
Openstack · Redhat
10; 13; 14 · source: NVD
QE
Qemu · Qemu
through 3.0.0; 3.1.0; 3.1.0; 3.1.0; 3.1.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
VI
Virtualization · Redhat
4.0 · source: NVD
VM
Virtualization Manager · Redhat
4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17963
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17963
Mailing List
http://www.openwall.com/lists/oss-security/2018/10/08/1
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2166
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2425
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2553
Mailing List
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.html
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