Vulnerability Report

CVE-2021-3907

RCE

Title: OctoRPKI Path Traversal RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-3907.

CWE Category CWE-22

Published Date Nov 11, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.4 CVSS v3.1

Exploit Probability (EPSS)

1.89%

Vulnerability Summary

CVE-2021-3907: OctoRPKI does not escape a URI with a filename containing "..", this allows a repository to create a file, (ex. rsync://example.org/repo/../../etc/cron.daily/evil.roa), which would then be written to disk outside the base cache folder. This could allow for remote code execution on the host machine OctoRPKI is running on.

Impacted Vendors

cloudflare 1

Reference Links

https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959 https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh https://www.debian.org/security/2021/dsa-5033 https://www.debian.org/security/2022/dsa-5041 https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959 https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh https://www.debian.org/security/2021/dsa-5033 https://www.debian.org/security/2022/dsa-5041

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.4

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-3907 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

November 11, 2021 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Stack

No specific products linked.