high8.6
CVE-2020-27153
In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Bluez | Bluez | before 5.55 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Opensuse | Leap | Versions 15.1, 15.2 |
Weakness classification
References
- NVD record
- CVE.org record
- 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