CVE-2020-8955

irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://weechat.org/doc/security/	Vendor Advisory
https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da	Patch
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/
https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html
https://security.gentoo.org/glsa/202003-51
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html

Configurations

Configuration 1 (hide)

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

Information

Published : 2020-02-12 22:15

Updated : 2021-09-30 14:15

NVD link : CVE-2020-8955

Mitre link : CVE-2020-8955

JSON object : View

Products Affected

weechat

weechat

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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