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

CVE-2020-1711

Disclosure Date: February 11, 2020
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Description

An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.

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CVSS V3 Severity and Metrics
Base Score:
6.0 Medium
Impact Score:
3.7
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
Low

General Information

Vendors

  • debian,
  • opensuse,
  • qemu,
  • redhat

Products

  • debian linux 8.0,
  • debian linux 9.0,
  • enterprise linux 7.0,
  • enterprise linux 8.0,
  • leap 15.1,
  • openstack 10,
  • openstack 13,
  • qemu
Technical Analysis