Vulnerability Report

CVE-2021-3911

Title: OctoRPKI ROA Too Many Bits Crash

Denial of Service

Proof Of Concept

No public PoC currently indexed for CVE-2021-3911.

CWE Category CWE-252
Published Date Nov 11, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.2 CVSS v3.1
Exploit Probability (EPSS)
0.55%

Vulnerability Summary

CVE-2021-3911: If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.

Impacted Vendors

C
cloudflare 1

Reference Links

https://github.com/cloudflare/cfrpki/security/advisories/GHSA-w6ww-fmfx-2x22 https://www.debian.org/security/2022/dsa-5041 https://github.com/cloudflare/cfrpki/security/advisories/GHSA-w6ww-fmfx-2x22 https://www.debian.org/security/2022/dsa-5041
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.2
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-3911 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.