CVE-2020-8955

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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).

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

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

V2 Legend

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
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html Mailing List Third Party Advisory
https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/
https://security.gentoo.org/glsa/202003-51 Third Party Advisory
https://weechat.org/doc/security/ Vendor Advisory
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
History

18 Apr 2022, 15:50

Type Values Removed Values Added
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/ - Mailing List, Third Party Advisory
References (MISC) https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da - Patch (MISC) https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da - Patch, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html - Mailing List, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/ - Mailing List, Third Party Advisory
References (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html - (SUSE) http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html - Mailing List, Third Party Advisory
References (GENTOO) https://security.gentoo.org/glsa/202003-51 - (GENTOO) https://security.gentoo.org/glsa/202003-51 - Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

30 Sep 2021, 14:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html -
Information

Published : 2020-02-12 22:15

Updated : 2024-02-04 20:39

NVD link : CVE-2020-8955

Mitre link : CVE-2020-8955

CVE.ORG link : CVE-2020-8955

JSON object : View

Products Affected

opensuse

  • backports_sle
  • leap

debian

  • debian_linux

weechat

  • weechat

fedoraproject

  • fedora
CWE
CWE-120

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