CVE-2020-8623 A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c

2020-08-2000:00:00

isc

www.cve.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.022 Low

EPSS

Percentile

89.6%

JSON

In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with “–enable-native-pkcs11” * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

CNA Affected

[
  {
    "product": "BIND9",
    "vendor": "ISC",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.10.0",
        "versionType": "custom"
      },
      {
        "lessThan": "9.11.22",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.12.0",
        "versionType": "custom"
      },
      {
        "lessThan": "9.16.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "9.17.0",
        "versionType": "custom"
      },
      {
        "lessThan": "9.17.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "9.11.22-S1",
            "status": "unaffected"
          }
        ],
        "lessThan": "Supported Preview*",
        "status": "affected",
        "version": "9.10.5-S1",
        "versionType": "custom"
      }
    ]
  }
]