Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2016-5126

Disclosure Date: June 01, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Quick Emulator(QEMU) built with the Block driver for iSCSI images support (virtio-blk) is vulnerable to a heap-based buffer overflow issue. The flaw could occur while processing iSCSI asynchronous I/O ioctl(2) calls. A user inside a guest could exploit this flaw to crash the QEMU process resulting in denial of service, or potentially leverage it to execute arbitrary code with QEMU-process privileges on the host.

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CVSS V3 Severity and Metrics
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • Red Hat

Products

  • Red Hat Enterprise Linux 7,
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7,
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7,
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7,
  • Red Hat OpenStack Platform 8.0 (Liberty),
  • Red Hat OpenStack Platform 9.0 (Mitaka),
  • RHEV 3.X Hypervisor and Agents for RHEL-7

References

Additional Info

Technical Analysis