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cvelistCloudflareCVELIST:CVE-2021-3910
HistoryNov 11, 2021 - 9:45 p.m.

CVE-2021-3910 NUL character in ROA causes OctoRPKI to crash

2021-11-1121:45:21
CWE-20
cloudflare
www.cve.org
6
octorpki
cve-2021-3910
roa

CVSS3

4.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

45.7%

OctoRPKI crashes when encountering a repository that returns an invalid ROA (just an encoded NUL (\0) character).

CNA Affected

[
  {
    "product": "octorpki",
    "vendor": "Cloudflare",
    "versions": [
      {
        "lessThan": "1.4.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

4.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.001

Percentile

45.7%