Overview: 1 vulnerability
| WSA |
CVE |
Score |
Severity |
Issue |
Vulnerability type |
Scope |
Versions |
Fix
| Release date |
|
| WSA-2020-2 |
CVE-2020-9759 |
7.5 |
|
Crash on malformed IRC message 352 (WHO). |
Out-of-bounds read |
IRC |
0.4.0 → 2.7 |
2.7.1 |
|
WSA-2020-2: [IRC] Crash on malformed IRC message 352 (WHO).
Vulnerability
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
(
detail)
Affected versions
0.4.0 → 2.7
Description
Crash when receiving a malformed IRC message 352 (WHO).
Mitigation
With WeeChat ≥ 1.1, you can create a trigger:
/trigger add fix_irc_352 modifier "irc_in_352" "${arguments} =~ .* \*$" "/.*//"
With any older version, there is no simple mitigation, you must upgrade WeeChat.
Credit
The issue was discovered by Stuart Nevans Locke.