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cvelistCloudflareCVELIST:CVE-2021-3911
HistoryNov 11, 2021 - 9:45 p.m.

CVE-2021-3911 Misconfigured IP address field in ROA leads to OctoRPKI crash

2021-11-1121:45:22
CWE-20
cloudflare
www.cve.org
7
cve-2021-3911
misconfigured
ip address
roa
octorpki
crash

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

44.1%

If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.

CNA Affected

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

CVSS3

4.2

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

44.1%