CVE-2018-20191

MEDIUM

Description

hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).

References

http://www.openwall.com/lists/oss-security/2018/12/18/1

http://www.securityfocus.com/bid/106276

https://lists.fedoraproject.org/archives/list/[email protected]/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/

https://lists.fedoraproject.org/archives/list/[email protected]/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/

https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.html

https://usn.ubuntu.com/3923-1/

Details

Source: MITRE

Published: 2018-12-20

Updated: 2020-05-12

Type: CWE-476

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH