Use After Free Affecting bluez-libs-devel package, versions <0:5.52-4.el8
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Test your applications- Snyk ID SNYK-RHEL8-BLUEZLIBSDEVEL-3968604
- published 26 Jul 2021
- disclosed 6 Sep 2020
Introduced: 6 Sep 2020
CVE-2020-27153 Open this link in a new tabHow to fix?
Upgrade RHEL:8 bluez-libs-devel to version 0:5.52-4.el8 or higher.
This issue was patched in RHSA-2021:1598.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bluez-libs-devel package and not the bluez-libs-devel package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2020-27153
- https://security.gentoo.org/glsa/202011-01
- 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://access.redhat.com/errata/RHSA-2021:1598
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html
- https://www.debian.org/security/2021/dsa-4951