CVE-2021-40516

WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html	Mailing List Third Party Advisory
https://weechat.org/doc/security/	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:weechat:weechat:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-09-05 18:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-40516

Mitre link : CVE-2021-40516

CVE.ORG link : CVE-2021-40516

JSON object : View

Products Affected

weechat

weechat

debian

debian_linux

CWE

CWE-125

Out-of-bounds Read

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