PT-2023-31650 · Unknown · Unrealircd

Published 2023-12-16 · Updated 2023-12-26 · CVE-2023-50784

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions UnrealIRCd versions 6.1.0 through 6.1.3

Description A buffer overflow in websockets 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.

Recommendations For UnrealIRCd versions 6.1.0 through 6.1.3, update to version 6.1.4 or later to resolve the issue. As a temporary workaround, consider disabling the websocket port to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2023-50784

Affected Products

Unrealircd

References · 11

• https://lists.fedoraproject.org/archives/list/[e-mail]/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-50784 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BV6TFYPQOKYRGPEAKOWSO6PSCBV6LUR3 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA · Vendor Advisory
• https://forums.unrealircd.org/viewtopic.php?t=9340 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-50784 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZT7QU4FCQBHYOYVD7FW5QAWNAQCSGLA · Vendor Advisory
• https://unrealircd.org/index/news · Note
• https://t.me/cvenotify/63893 · Telegram Post
• https://t.me/cvenotify/64671 · Telegram Post
• https://t.me/cvenotify/65111 · Telegram Post