CVE Vulnerability

CVE-2018-25021

The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/ Third Party Advisory
https://github.com/TokTok/c-toxcore/issues/1214 Exploit Third Party Advisory
https://github.com/TokTok/c-toxcore/pull/1216 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:toktok:toxcore:*:*:*:*:*:*:*:*
Information

Published : 2021-12-13 01:15

Updated : 2022-02-08 06:55

NVD link : CVE-2018-25021

Mitre link : CVE-2018-25021

Products Affected
No products.
CWE
CWE-404