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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:22

Type	Values Removed	Values Added
References	~~() https://github.com/accel-ppp/accel-ppp/commit/e9d369aa0054312b7633e964e9f7eb323f1f3d69 - Patch, Third Party Advisory~~	() https://github.com/accel-ppp/accel-ppp/commit/e9d369aa0054312b7633e964e9f7eb323f1f3d69 - Patch, Third Party Advisory
References	~~() https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-2m44-rh3c-x4gr - Patch, Third Party Advisory~~	() https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-2m44-rh3c-x4gr - Patch, Third Party Advisory

Information

Published : 2021-02-01 14:15

Updated : 2024-11-21 05:22

NVD link : CVE-2020-28194

Mitre link : CVE-2020-28194

CVE.ORG link : CVE-2020-28194

JSON object : View

Products Affected

accel-ppp

accel-ppp

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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