CVE-2016-6835

LOW

Description

The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=93060258ae748573ca7197204125a2670047896d

http://www.openwall.com/lists/oss-security/2016/08/11/7

http://www.openwall.com/lists/oss-security/2016/08/18/4

https://access.redhat.com/errata/RHSA-2017:2392

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.html

Details

Source: MITRE

Published: 2016-12-10

Updated: 2018-09-07

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM