Vulnerability Monitor

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CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit.

Published

2021-03-26T21:15:13.053

Last Modified

2024-11-21T05:37:11.450

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.3 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.3 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 11.4 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System freebsd freebsd 12.1 Yes
Operating System siemens simatic_rf350m_firmware * Yes
Hardware siemens simatic_rf350m - No
Operating System siemens simatic_rf650m_firmware * Yes
Hardware siemens simatic_rf650m - No
References