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cveMitreCVE-2023-50784
HistoryDec 16, 2023 - 11:15 p.m.

CVE-2023-50784

2023-12-1623:15:40
CWE-120
mitre
web.nvd.nist.gov
18
cve-2023-50784
buffer overflow
websockets
unrealircd
remote code execution
nvd

CVSS3

7.5

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

EPSS

0.002

Percentile

57.0%

A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sending an oversized packet (if a websocket port is open). Remote code execution might be possible on some uncommon, older platforms.

Affected configurations

Nvd
Node
unrealircdunrealircdRange6.1.06.1.4
VendorProductVersionCPE
unrealircdunrealircd*cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:*

CVSS3

7.5

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

EPSS

0.002

Percentile

57.0%