CVE-2021-25684

apport can be stalled by reading a FIFO

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.

Se descubrió que apport en data/apport no abría correctamente un archivo de informes para evitar lecturas colgadas en un FIFO

*Credits: Itai Greenhut

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-21 CVE Reserved
2021-02-03 CVE Published
2024-09-16 CVE Updated
2024-09-16 First Exploit
2024-10-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1912326	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"				>= 2.20.1-0ubuntu1 < 2.20.1-0ubuntu2.30 Search vendor "Canonical" for product "Apport" and version " >= 2.20.1-0ubuntu1 < 2.20.1-0ubuntu2.30"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.9-0ubuntu1 < 2.20.9-0ubuntu7.23 Search vendor "Canonical" for product "Apport" and version " >= 2.20.9-0ubuntu1 < 2.20.9-0ubuntu7.23"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.11-0ubuntu27 < 2.20.11-0ubuntu27.16 Search vendor "Canonical" for product "Apport" and version " >= 2.20.11-0ubuntu27 < 2.20.11-0ubuntu27.16"		-		Affected
Canonical Search vendor "Canonical"		Apport Search vendor "Canonical" for product "Apport"				>= 2.20.11-0ubuntu50 < 2.20.11-0ubuntu50.5 Search vendor "Canonical" for product "Apport" and version " >= 2.20.11-0ubuntu50 < 2.20.11-0ubuntu50.5"		-		Affected