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Debian: Security Advisory for bluez (DSA-4951-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'bluez' package(s) announced via the DSA-4951-1 advisory.
Insight
Insight
Several vulnerabilities were discovered in Bluez, the Linux Bluetooth protocol stack. CVE-2020-26558/ CVE-2021-0129 It was discovered that Bluez does not properly check permissions during pairing operation, which could allow an attacker to impersonate the initiating device. CVE-2020-27153 Jay LV discovered a double free flaw in the disconnect_cb() routine in the gattool. A remote attacker can take advantage of this flaw during service discovery for denial of service, or potentially, execution of arbitrary code.
Affected Software
Affected Software
'bluez' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), these problems have been fixed in version 5.50-1.2~deb10u2. We recommend that you upgrade your bluez packages.