8.6

CVE-2020-27153

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.

Data is provided by the National Vulnerability Database (NVD)
BluezBluez Version < 5.55
DebianDebian Linux Version9.0
DebianDebian Linux Version10.0
OpensuseLeap Version15.1
OpensuseLeap Version15.2
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 1.9% 0.825
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.6 3.9 4.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.