CVE-2017-15124

HIGH

Description

VNC server implementation in Quick Emulator (QEMU) 2.11.0 and older was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A malicious remote VNC client could use this flaw to cause DoS to the server host.

References

http://www.securityfocus.com/bid/102295

https://access.redhat.com/errata/RHSA-2018:0816

https://access.redhat.com/errata/RHSA-2018:1104

https://access.redhat.com/errata/RHSA-2018:1113

https://access.redhat.com/errata/RHSA-2018:3062

https://bugzilla.redhat.com/show_bug.cgi?id=1525195

https://usn.ubuntu.com/3575-1/

https://www.debian.org/security/2018/dsa-4213

Details

Source: MITRE

Published: 2018-01-09

Updated: 2018-10-31

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 7.8

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

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/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