CVE-2021-32557

apport process_report() arbitrary file write

Severity Score

7.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.

Se ha detectado que la función process_report() en la ruta data/whoopsie-upload-all permitía la escritura arbitraria de archivos por medio de enlaces simbólicos

*Credits: maik@secfault-security.com (@fktio)

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-10 CVE Reserved
2021-06-12 CVE Published
2023-03-08 EPSS Updated
2024-09-16 CVE Updated
2024-09-16 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')
CWE-61: UNIX Symbolic Link (Symlink) Following

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904	2024-09-16

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.14.1-0ubuntu3 < 2.14.1-0ubuntu3.29\+esm7 Search vendor "Canonical" for product "Apport" and version " >= 2.14.1-0ubuntu3 < 2.14.1-0ubuntu3.29\+esm7"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.1 < 2.20.1-0ubuntu2.30\+esm1 Search vendor "Canonical" for product "Apport" and version " >= 2.20.1 < 2.20.1-0ubuntu2.30\+esm1"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.9 < 2.20.9-0ubuntu7.24 Search vendor "Canonical" for product "Apport" and version " >= 2.20.9 < 2.20.9-0ubuntu7.24"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.11-0ubuntu27 < 2.20.11-0ubuntu27.18 Search vendor "Canonical" for product "Apport" and version " >= 2.20.11-0ubuntu27 < 2.20.11-0ubuntu27.18"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.11-0ubuntu50 < 2.20.11-0ubuntu50.7 Search vendor "Canonical" for product "Apport" and version " >= 2.20.11-0ubuntu50 < 2.20.11-0ubuntu50.7"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.11-0ubuntu65 < 2.20.11-0ubuntu65.1 Search vendor "Canonical" for product "Apport" and version " >= 2.20.11-0ubuntu65 < 2.20.11-0ubuntu65.1"		-		Affected