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.

INFO

Published Date :

Oct. 15, 2020, 3:15 a.m.

Last Modified :

April 5, 2022, 3:59 p.m.

Remotely Exploitable :

Yes !

Impact Score :

4.7

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-27153 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-27153 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Opensuse leap
1 Bluez bluez
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-27153.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1884817 Issue Tracking Third Party Advisory
https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a Patch Third Party Advisory
https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202011-01 Third Party Advisory
https://www.debian.org/security/2021/dsa-4951 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Automatic monitor github cve using Github Actions

Python

Updated: 2 months ago
1 stars 56 fork 56 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1007 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-27153 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27153 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 05, 2022

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202011-01 No Types Assigned https://security.gentoo.org/glsa/202011-01 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4951 No Types Assigned https://www.debian.org/security/2021/dsa-4951 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 07, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4951 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 09, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 08, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 03, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202011-01 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 21, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 20, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1884817 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1884817 Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a No Types Assigned https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a Patch, Third Party Advisory
    Changed Reference Type https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07 No Types Assigned https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07 Patch, Third Party Advisory
    Added CWE NIST CWE-415
    Added CPE Configuration OR *cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:* versions up to (excluding) 5.55
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-27153 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-27153 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.98 }} 0.59%

score

0.92991

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability