CVE-2021-3889

Use of Out-of-range Pointer Offset in bfabiszewski/libmobi

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

libmobi is vulnerable to Use of Out-of-range Pointer Offset

libmobi es vulnerable a un Uso de Punteros Fuera de Rango

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-10-15 CVE Reserved
2021-10-19 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-823: Use of Out-of-range Pointer Offset

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://huntr.dev/bounties/efb3e261-3f7d-4a45-8114-e0ace6b21516	2024-08-03

URL	Date	SRC
https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21	2021-10-25

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libmobi Project Search vendor "Libmobi Project"		Libmobi Search vendor "Libmobi Project" for product "Libmobi"				< 0.8 Search vendor "Libmobi Project" for product "Libmobi" and version " < 0.8"		-		Affected