CVE-2020-8955
published 2020-02-12CVE-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…
PriorityP343critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
3.68%
88.4th percentile
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).
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | weechat | < weechat 2.7.1-1 (bookworm) | weechat 2.7.1-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| opensuse | backports_sle | — | — |
| opensuse | leap | — | — |
| weechat | weechat | >= 0 < 2.7.1-1 | 2.7.1-1 |
| weechat | weechat | >= 0 < 2.7.1-1 | 2.7.1-1 |
| weechat | weechat | >= 0 < 2.7.1-1 | 2.7.1-1 |
| weechat | weechat | >= 0 < 2.7.1-1 | 2.7.1-1 |
| weechat | weechat | >= 0 < 1.4-2ubuntu0.1+esm1 | 1.4-2ubuntu0.1+esm1 |
| weechat | weechat | >= 0 < 1.9.1-1ubuntu1+esm1 | 1.9.1-1ubuntu1+esm1 |
| weechat | weechat | >= 0 < 2.8-1ubuntu0.1~esm1 | 2.8-1ubuntu0.1~esm1 |
| weechat | weechat | 0.3.8 – 2.7 | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_ubuntu7.5HIGH
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GHSA
GHSA-j94p-wg5x-c7xg: irc_mode_channel_update in plugins/irc/irc-mode
ghsa_unreviewed·2022-05-24
CVE-2020-8955 [HIGH] CWE-120 GHSA-j94p-wg5x-c7xg: irc_mode_channel_update in plugins/irc/irc-mode
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).
OSV
weechat vulnerabilities
osv·2022-02-04·CVSS 7.5
CVE-2021-40516 [HIGH] weechat vulnerabilities
weechat vulnerabilities
Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled
malformed websocket frames. A remote attacker in control of a server
could possibly use this issue to cause denial of service in a client.
(CVE-2021-40516)
Stuart Nevans Locke discovered that WeeChat insecurely handled certain
IRC messages. A remote attacker in control of a server could possibly use
this issue to cause denial of service in a client. This issue only affected
Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9760)
Stuart Nevans Locke discovered that WeeChat insecurely handled certain
IRC messages. A remote unauthenticated attacker could possibly use these
issues to cause denial of service in a client. These issues only affected
Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2
OSV
CVE-2020-8955: irc_mode_channel_update in plugins/irc/irc-mode
osv·2020-02-12·CVSS 9.8
CVE-2020-8955 [CRITICAL] CVE-2020-8955: irc_mode_channel_update in plugins/irc/irc-mode
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).
Ubuntu
WeeChat vulnerabilities
vendor_ubuntu·2022-02-04·CVSS 7.5
CVE-2020-9760 [HIGH] WeeChat vulnerabilities
Title: WeeChat vulnerabilities
Summary: Several security issues were fixed in WeeChat.
Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled
malformed websocket frames. A remote attacker in control of a server
could possibly use this issue to cause denial of service in a client.
(CVE-2021-40516)
Stuart Nevans Locke discovered that WeeChat insecurely handled certain
IRC messages. A remote attacker in control of a server could possibly use
this issue to cause denial of service in a client. This issue only affected
Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9760)
Stuart Nevans Locke discovered that WeeChat insecurely handled certain
IRC messages. A remote unauthenticated attacker could possibly use these
issues to cause denial of service in a client. These is
Debian
CVE-2020-8955: weechat - irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows ...
vendor_debian·2020·CVSS 9.8
CVE-2020-8955 [CRITICAL] CVE-2020-8955: weechat - irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows ...
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).
Scope: local
bookworm: resolved (fixed in 2.7.1-1)
bullseye: resolved (fixed in 2.7.1-1)
forky: resolved (fixed in 2.7.1-1)
sid: resolved (fixed in 2.7.1-1)
trixie: resolved (fixed in 2.7.1-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c
bugzilla·2020-02-14·CVSS 9.8
CVE-2020-8955 [CRITICAL] CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c
CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c
A vulnerability was found in 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).
Reference:
https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da
https://weechat.org/doc/security/
Discussion:
Created weechat tracking bugs for this issue:
Affects: epel-all [bug 1803066]
Affects: fedora-all [bug 1803065]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Ref
Bugzilla
CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c [fedora-all]
bugzilla·2020-02-14·CVSS 9.8
CVE-2020-8955 [CRITICAL] CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c [fedora-all]
CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affect
Bugzilla
CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c [epel-all]
bugzilla·2020-02-14·CVSS 9.8
CVE-2020-8955 [CRITICAL] CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c [epel-all]
CVE-2020-8955 weechat: denial of service in irc_mode_channel_update in plugins/irc/irc-mode.c [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mu
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.htmlhttps://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74dahttps://lists.debian.org/debian-lts-announce/2020/03/msg00031.htmlhttps://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlhttps://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/202003-51https://weechat.org/doc/security/http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.htmlhttps://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74dahttps://lists.debian.org/debian-lts-announce/2020/03/msg00031.htmlhttps://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlhttps://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/202003-51https://weechat.org/doc/security/
2020-02-12
Published