Vulnerability · Published Feb 12, 2020 · Assigned by mitre
CVE-2020-8955
Critical 9.8
In plain English
A critical-severity security flaw in the weechat package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.4%top 10.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | weechat | 2.7.1-r0 | ALPINE-CVE-2020-8955 |
| Alpine:v3.21 | weechat | 2.7.1-r0 | ALPINE-CVE-2020-8955 |
| Alpine:v3.22 | weechat | 2.7.1-r0 | ALPINE-CVE-2020-8955 |
| Alpine:v3.23 | weechat | 2.7.1-r0 | ALPINE-CVE-2020-8955 |
| Alpine:v3.24 | weechat | 2.7.1-r0 | ALPINE-CVE-2020-8955 |
| Debian:12 | weechat | 2.7.1-1 | DEBIAN-CVE-2020-8955 |
| Debian:13 | weechat | 2.7.1-1 | DEBIAN-CVE-2020-8955 |
| Debian:14 | weechat | 2.7.1-1 | DEBIAN-CVE-2020-8955 |
Affected products (as reported)
References
- https://weechat.org/doc/security/ x_refsource_MISC
- https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da x_refsource_MISC
- openSUSE-SU-2020:0248 vendor-advisory, x_refsource_SUSE
- FEDORA-2020-4d232b48b8 vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-db890b4800 vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20200324 [SECURITY] [DLA 2157-1] weechat security update mailing-list, x_refsource_MLIST
- GLSA-202003-51 vendor-advisory, x_refsource_GENTOO
- FEDORA-2020-d242130019 vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20210930 [SECURITY] [DLA 2770-1] weechat security update mailing-list, x_refsource_MLIST