CVE Vulnerability

CVE-2021-45940

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

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868 Exploit Issue Tracking
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:libbpf_project:libbpf:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:libbpf_project:libbpf:0.6.0:*:*:*:*:*:*:*
Information

Published : 2022-01-01 01:15

Updated : 2022-01-11 06:20

NVD link : CVE-2021-45940

Mitre link : CVE-2021-45940

Products Affected
No products.
CWE
CWE-787