7.5
HIGH
CVE-2021-28831
BusyBox gunzip Decompression Integer Overflow Vulnerability
Description

decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.

INFO

Published Date :

March 19, 2021, 5:15 a.m.

Last Modified :

Nov. 7, 2023, 3:32 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-28831 has a 5 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-2021-28831 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 Fedoraproject fedora
1 Debian debian_linux
1 Busybox busybox
: Total Affected Vendor : 3 | Products : 3
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-2021-28831.

URL Resource
https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
https://security.gentoo.org/glsa/202105-09 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).

Profile Photo
SebastianUA/Certified-Kubernetes-Security-Specialist

Certified Kubernetes Security Specialist (CKS) 2023-2024

cks cks-exam cks-exam-preparation ckss

Jinja Shell

Updated: 2 months, 2 weeks ago
52 stars 14 fork 14 watcher
Born at : Oct. 5, 2023, 5:53 p.m. This repo has been linked 4 different CVEs too.
Profile Photo
thecyberbaby/Trivy-by-AquaSecurity

A security framework by Aquasecurity

Updated: 2 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : June 22, 2022, 10:40 a.m. This repo has been linked 16 different CVEs too.
Profile Photo
SilveiraLeonardo/experimenting_mkdown

None

Updated: 2 years, 10 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 5, 2022, 4:56 p.m. This repo has been linked 4 different CVEs too.
Profile Photo
naokirin/dep_checkers_example

Example for trivy and lisence_finder with rails application

Dockerfile Ruby JavaScript CSS HTML

Updated: 2 years, 11 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 12, 2021, 7:13 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
isgo-golgo13/gokit-gorillakit-enginesvc

Docker/K8s Engine Microservice using Go kit and Gorilla (Go Web Toolkit Toolkit). Project includes K8s packages for K8s-YAML, K8s-Helm3 and K8s-Kustomize

Dockerfile Go Makefile Smarty

Updated: 1 year, 6 months ago
1 stars 0 fork 0 watcher
Born at : Nov. 27, 2019, 4:08 a.m. This repo has been linked 27 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-2021-28831 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-28831 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
  • Modified Analysis by [email protected]

    May. 20, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202105-09 No Types Assigned https://security.gentoo.org/glsa/202105-09 Third Party Advisory
  • CVE Modified by [email protected]

    May. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202105-09 [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 21, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:* versions up to (including) 1.32.1 OR *cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:* versions from (including) 1.32.0 up to (including) 1.32.1
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 02, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 01, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 31, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 31, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 27, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 25, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd No Types Assigned https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd Mailing List, Patch, Vendor Advisory
    Added CWE NIST CWE-755
    Added CPE Configuration OR *cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:* versions up to (including) 1.32.1
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-2021-28831 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-2021-28831 weaknesses.

Exploit Prediction

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

0.77 }} 0.21%

score

0.80990

percentile

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