CVE-2020-27153

High

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.

SeverityHigh
CVSS8.6
Exploit probability—
ProductBluez
PublishedOct 15, 2020
First seenOct 15, 2020
Weakness typeCWE-415CWE-415

How to fix

Update
  • bluez bluez5.55 or later

Affected products

ProductAffected versionsFixed in
bluez bluezv < 5.555.55
debian debian_linux9.0, 10.0—
opensuse leap15.1, 15.2—

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