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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
mitreCNA
---
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CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
VendorProductVersion
bluezbluez
𝑥
< 5.55
debiandebian_linux
9.0
debiandebian_linux
10.0
opensuseleap
15.1
opensuseleap
15.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
bluez
bullseye
5.55-3.1+deb11u1
fixed
bullseye (security)
5.55-3.1+deb11u2
fixed
bookworm
5.66-1+deb12u2
fixed
bookworm (security)
5.66-1+deb12u1
fixed
sid
5.77-1
fixed
trixie
5.77-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
bluez
jammy
Fixed 5.55-0ubuntu1
released
impish
Fixed 5.55-0ubuntu1
released
hirsute
Fixed 5.55-0ubuntu1
released
groovy
Fixed 5.55-0ubuntu1
released
focal
Fixed 5.53-0ubuntu3.2
released
bionic
Fixed 5.48-0ubuntu3.5
released
xenial
Fixed 5.37-0ubuntu5.3+esm1
released
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html
https://bugzilla.redhat.com/show_bug.cgi?id=1884817
https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a
https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07
https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html
https://security.gentoo.org/glsa/202011-01
https://www.debian.org/security/2021/dsa-4951
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html
https://bugzilla.redhat.com/show_bug.cgi?id=1884817
https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a
https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07
https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html
https://security.gentoo.org/glsa/202011-01
https://www.debian.org/security/2021/dsa-4951