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cvelistCertccCVELIST:CVE-2019-9500
HistoryJan 16, 2020 - 8:35 p.m.

CVE-2019-9500 Broadcom brcmfmac driver is vulnerable to a heap buffer overflow

2020-01-1620:35:18
CWE-122
certcc
www.cve.org
2

7.9 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

Low

0.007 Low

EPSS

Percentile

80.1%

The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow. If the Wake-up on Wireless LAN functionality is configured, a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmf_wowl_nd_results function. This vulnerability can be exploited with compromised chipsets to compromise the host, or when used in combination with CVE-2019-9503, can be used remotely. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.

CNA Affected

[
  {
    "product": "brcmfmac WiFi driver",
    "vendor": "Broadcom",
    "versions": [
      {
        "status": "affected",
        "version": "commit prior to 1b5e2423164b3670e8bc9174e4762d297990deff"
      }
    ]
  }
]

7.9 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

Low

0.007 Low

EPSS

Percentile

80.1%