CVE-2021-3912

OctoRPKI crashes when processing GZIP bomb returned via malicious repository

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

OctoRPKI tries to load the entire contents of a repository in memory, and in the case of a GZIP bomb, unzip it in memory, making it possible to create a repository that makes OctoRPKI run out of memory (and thus crash).

OctoRPKI intenta cargar todo el contenido de un repositorio en memoria, y en el caso de una bomba GZIP, descomprimirlo en memoria, haciendo posible crear un repositorio que hace que OctoRPKI se quede sin memoria (y por tanto se bloquee)

*Credits: Koen van Hove

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-10-26 CVE Reserved
2021-11-11 CVE Published
2024-09-16 CVE Updated
2024-09-19 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-770: Allocation of Resources Without Limits or Throttling

CAPEC

References (2)

URL	Tag	Source
https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g9wh-3vrx-r7hg	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.debian.org/security/2022/dsa-5041	2022-08-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cloudflare Search vendor "Cloudflare"		Octorpki Search vendor "Cloudflare" for product "Octorpki"				< 1.3.0 Search vendor "Cloudflare" for product "Octorpki" and version " < 1.3.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected