CVE-2020-9760
published 2020-03-23CVE-2020-9760: An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer…
PriorityP346critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.19%
80.4th percentile
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
Affected
11 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) |
| 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 | >= 0.3.4 < 2.7.1 | 2.7.1 |
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-v7rw-j9c8-92qq: An issue was discovered in WeeChat before 2
ghsa_unreviewed·2022-05-24
CVE-2020-9760 [HIGH] CWE-120 GHSA-v7rw-j9c8-92qq: An issue was discovered in WeeChat before 2
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
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-2020-9760: An issue was discovered in WeeChat before 2
osv·2020-03-23·CVSS 9.8
CVE-2020-9760 [CRITICAL] CVE-2020-9760: An issue was discovered in WeeChat before 2
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
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-2020-9760: weechat - An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). Whe...
vendor_debian·2020·CVSS 9.8
CVE-2020-9760 [CRITICAL] CVE-2020-9760: weechat - An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). Whe...
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
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-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash
bugzilla·2020-03-26·CVSS 9.8
CVE-2020-9760 [CRITICAL] CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash
An issue was discovered in WeeChat before 2.7.1. When receiving IRC message 005 with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
Discussion:
Created weechat tracking bugs for this issue:
Affects: epel-6 [bug 1817399]
Affects: epel-7 [bug 1817400]
Affects: fedora-all [bug 1817398]
---
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. Refer to the dependent bugs for status of those individual community products.
Bugzilla
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [epel-6]
bugzilla·2020-03-26·CVSS 9.8
CVE-2020-9760 [CRITICAL] CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [epel-6]
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [epel-6]
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-6.
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.
Discuss
Bugzilla
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [epel-7]
bugzilla·2020-03-26·CVSS 9.8
CVE-2020-9760 [CRITICAL] CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [epel-7]
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [epel-7]
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-7.
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.
Discuss
Bugzilla
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [fedora-all]
bugzilla·2020-03-26·CVSS 9.8
CVE-2020-9760 [CRITICAL] CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [fedora-all]
CVE-2020-9760 weechat: receiving IRC message 005 with longer nick prefixes could result in buffer overflow and crash [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.
https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197fhttps://lists.debian.org/debian-lts-announce/2020/03/msg00031.htmlhttps://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlhttps://security.gentoo.org/glsa/202003-51https://weechat.org/doc/security/https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197fhttps://lists.debian.org/debian-lts-announce/2020/03/msg00031.htmlhttps://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlhttps://security.gentoo.org/glsa/202003-51https://weechat.org/doc/security/
2020-03-23
Published