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cve[email protected]CVE-2018-25021
HistoryDec 13, 2021 - 1:15 a.m.

CVE-2018-25021

2021-12-1301:15:07
CWE-404
web.nvd.nist.gov
26
tcp server
toxcore
cve-2018-25021
denial of service
memory exhaustion
vulnerability

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.008 Low

EPSS

Percentile

81.1%

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).

Affected configurations

NVD
Node
toktoktoxcoreRange<0.2.8
CPENameOperatorVersion
toktok:toxcoretoktok toxcorelt0.2.8

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.008 Low

EPSS

Percentile

81.1%