Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2020-27153: CVE-2020-27153 bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Red Hat: CVE-2020-27153: CVE-2020-27153 bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
10/15/2020
Created
05/21/2021
Added
05/21/2021
Modified
12/15/2023

Description

In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

Solution(s)

  • redhat-upgrade-bluez
  • redhat-upgrade-bluez-cups
  • redhat-upgrade-bluez-cups-debuginfo
  • redhat-upgrade-bluez-debuginfo
  • redhat-upgrade-bluez-debugsource
  • redhat-upgrade-bluez-hid2hci
  • redhat-upgrade-bluez-hid2hci-debuginfo
  • redhat-upgrade-bluez-libs
  • redhat-upgrade-bluez-libs-debuginfo
  • redhat-upgrade-bluez-libs-devel
  • redhat-upgrade-bluez-obexd
  • redhat-upgrade-bluez-obexd-debuginfo

References

  • DSA-4951
  • CVE-2020-27153
  • RHSA-2021:1598

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;