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cvelistZephyrCVELIST:CVE-2021-3330
HistoryOct 12, 2021 - 9:50 p.m.

CVE-2021-3330 RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr

2021-10-1221:50:17
CWE-787
zephyr
www.cve.org
3
cve-2021-3330
rce
dos
zephyr
linked-list corruption
out-of-bounds write

CVSS3

7.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

9.1

Confidence

High

EPSS

0.001

Percentile

39.2%

RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr. Zephyr versions >= >=2.4.0 contain Out-of-bounds Write (CWE-787). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456

CNA Affected

[
  {
    "product": "zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": ">=2.4.0",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

7.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

9.1

Confidence

High

EPSS

0.001

Percentile

39.2%

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