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cveZephyrCVE-2021-3436
HistoryOct 05, 2021 - 9:15 p.m.

CVE-2021-3436

2021-10-0521:15:09
CWE-694
zephyr
web.nvd.nist.gov
24
cve-2021-3436
zephyr
bond overwrite
security vulnerability
keys distribution
nvd
cwe-694
github advisory

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

42.0%

JSON

BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known. Zephyr versions >= 1.14.2, >= 2.4.0, >= 2.5.0 contain Use of Multiple Resources with Duplicate Identifier (CWE-694). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63

Affected configurations

Nvd
Node
zephyrprojectzephyrMatch1.14.2
OR
zephyrprojectzephyrMatch2.4.0
OR
zephyrprojectzephyrMatch2.5.0
VendorProductVersionCPE
zephyrprojectzephyr1.14.2cpe:2.3:o:zephyrproject:zephyr:1.14.2:*:*:*:*:*:*:*
zephyrprojectzephyr2.4.0cpe:2.3:o:zephyrproject:zephyr:2.4.0:*:*:*:*:*:*:*
zephyrprojectzephyr2.5.0cpe:2.3:o:zephyrproject:zephyr:2.5.0:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "1.14.2",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "2.4.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "2.5.0",
        "versionType": "custom"
      }
    ]
  }
]

Related

nvd 1
prion 1
cvelist 1
nvd
nvd
CVE-2021-3436
2021-10-05 21:15:09
prion
prion
Information disclosure
2021-10-05 21:15:00
cvelist
cvelist
CVE-2021-3436 BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known
2021-10-05 20:50:15

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

42.0%

JSON
Related for CVE-2021-3436
nvd1prion1cvelist1