DEBIAN-CVE-2021-4287

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Source
https://security-tracker.debian.org/tracker/CVE-2021-4287
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4287.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-4287
Upstream
Published
2022-12-27T11:15:10.640Z
Modified
2025-11-20T10:15:46.429947Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

A vulnerability, which was classified as problematic, was found in ReFirm Labs binwalk up to 2.3.2. Affected is an unknown function of the file src/binwalk/modules/extractor.py of the component Archive Extraction Handler. The manipulation leads to symlink following. It is possible to launch the attack remotely. Upgrading to version 2.3.3 is able to address this issue. The name of the patch is fa0c0bd59b8588814756942fe4cb5452e76c1dcd. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216876.

References

Affected packages

Debian:11 / binwalk

Package

Name
binwalk
Purl
pkg:deb/debian/binwalk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.3.1+dfsg1-1
2.3.2+dfsg1-1
2.3.3+dfsg1-1
2.3.3+dfsg1-2
2.3.4+dfsg1-1
2.3.4+dfsg1-2
2.3.4+dfsg1-3
2.3.4+dfsg1-4
2.3.4+dfsg1-5
2.4.2+dfsg1-1
2.4.3+dfsg1-1
2.4.3+dfsg1-2

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4287.json"

Debian:12 / binwalk

Package

Name
binwalk
Purl
pkg:deb/debian/binwalk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.3+dfsg1-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4287.json"

Debian:13 / binwalk

Package

Name
binwalk
Purl
pkg:deb/debian/binwalk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.3+dfsg1-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4287.json"

Debian:14 / binwalk

Package

Name
binwalk
Purl
pkg:deb/debian/binwalk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.3+dfsg1-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-4287.json"