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

CVE-2020-10725

Disclosure Date: May 20, 2020 •
CVE-2020-10725 CVSS v3 Base Score: 7.7
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Description

A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function virtio_dev_rx_batch_packed().

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CVSS V3 Severity and Metrics
Base Score:
7.7 High
Impact Score:
4
Exploitability Score:
3.1
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
dpdk 20.02.1
dpdk 19.11.2
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • dpdk,
  • fedoraproject,
  • opensuse,
  • oracle

Products

  • data plane development kit,
  • enterprise communications broker 3.1.0,
  • enterprise communications broker 3.2.0,
  • fedora 32,
  • leap 15.1
Technical Analysis