CVE Vulnerability

CVE-2020-28194

Variable underflow exists in accel-ppp radius/packet.c when receiving a RADIUS vendor-specific attribute with length field is less than 2. It has an impact only when the attacker controls the RADIUS server, which can lead to arbitrary code execution.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-2m44-rh3c-x4gr Patch Third Party Advisory
https://github.com/accel-ppp/accel-ppp/commit/e9d369aa0054312b7633e964e9f7eb323f1f3d69 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:accel-ppp:accel-ppp:*:*:*:*:*:*:*:*
Information

Published : 2021-02-01 02:15

Updated : 2021-02-05 08:58

NVD link : CVE-2020-28194

Mitre link : CVE-2020-28194

Products Affected
No products.
CWE
CWE-191

Integer Underflow (Wrap or Wraparound)