Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
0

CVE-2021-45940

Disclosure Date: January 01, 2022
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in bpf_objectopen (called from bpf_object__open_mem and bpf-object-fuzzer.c).

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CVSS V3 Severity and Metrics
Base Score:
6.5 Medium
Impact Score:
3.6
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • libbpf project

Products

  • libbpf 0.6.0,
  • libbpf 0.6.1

Additional Info

Technical Analysis