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[email protected]CVE-2021-23981

HistoryMar 31, 2021 - 2:15 p.m.

CVE-2021-23981

2021-03-3114:15:18

CWE-787

[email protected]

web.nvd.nist.gov

224

cve-2021-23981

webgl

memory corruption

exploit

firefox

thunderbird

nvd

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.7%

JSON

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Affected configurations

Vulners

NVD

Node

mozillafirefox_esrRange≤78.9

mozillafirefoxRange≤87

mozillathunderbirdRange≤78.9

VendorProductVersionCPE
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox_esr	*	cpe:2.3:a:mozilla:firefox_esr::::::::
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::

CNA Affected

[
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "78.9",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "87",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "78.9",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]