7.8
HIGH
CVE-2020-0423
Android Binder Use-After-Free Privilege Escalation
Description

In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A

INFO

Published Date :

Oct. 14, 2020, 2:15 p.m.

Last Modified :

April 28, 2022, 6:23 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2020-0423 has a 7 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-2020-0423 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 Google android
1 Debian debian_linux
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-2020-0423.

URL Resource
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List Third Party Advisory
https://source.android.com/security/bulletin/2020-10-01 Vendor 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).

EndPointX is a tool designed to automate the process of decompiling APKs and extracting endpoints.

android automation binder endpoints inter-process-communication java osint recon reverse-engineering smali

Shell

Updated: 2 weeks, 5 days ago
0 stars 0 fork 0 watcher
Born at : Aug. 8, 2024, 5:08 p.m. This repo has been linked 5 different CVEs too.

Researching CVE published originally by longterm.io

C Makefile

Updated: 5 months, 3 weeks ago
1 stars 2 fork 2 watcher
Born at : March 19, 2024, 1:47 a.m. This repo has been linked 1 different CVEs too.

None

Updated: 3 weeks, 6 days ago
6 stars 0 fork 0 watcher
Born at : Feb. 25, 2023, 10:40 a.m. This repo has been linked 178 different CVEs too.

None

Updated: 2 years, 4 months ago
0 stars 0 fork 0 watcher
Born at : April 26, 2022, 1:08 p.m. This repo has been linked 5 different CVEs too.

None

Updated: 2 weeks, 2 days ago
64 stars 9 fork 9 watcher
Born at : April 4, 2022, 11:13 p.m. This repo has been linked 3 different CVEs too.

2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总

Updated: 3 weeks, 5 days ago
40 stars 16 fork 16 watcher
Born at : Jan. 11, 2021, 2:08 a.m. This repo has been linked 189 different CVEs too.

A collection of links related to Linux kernel security and exploitation

linux-kernel kernel-exploitation exploit privilege-escalation security

Updated: 2 weeks ago
5527 stars 902 fork 902 watcher
Born at : Nov. 13, 2016, 10:21 p.m. This repo has been linked 225 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-2020-0423 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-0423 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. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-667 CWE-416 CWE-667
  • CVE Modified by [email protected]

    Dec. 11, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Oct. 19, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://source.android.com/security/bulletin/2020-10-01 No Types Assigned https://source.android.com/security/bulletin/2020-10-01 Vendor Advisory
    Added CWE NIST CWE-667
    Added CPE Configuration OR *cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
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-2020-0423 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-2020-0423 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

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