Local Privilege Escalation Vulnerability in Octorpki by Cloudflare
CVE-2021-3978

5.5MEDIUM

Key Information:

Vendor

Cloudflare

Status
Octorpki
Vendor
CVE Published:
29 January 2025

What is CVE-2021-3978?

A local privilege escalation vulnerability exists in Octorpki due to improper handling of file permissions during the rsync operation. When files are copied using the '-a' flag, binaries may inadvertently retain the suid bit set as root. This misconfiguration, when exploited alongside another vulnerability that allows processing of a malicious TAL file, could enable unauthorized users to gain elevated privileges on the system.

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Affected Version(s)

octorpki Go 0

References

https://github.com/cloudflare/cfrpki/security/advisories/...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ties de Kock
JSON
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