[arch-security] [ASA-201709-20] weechat: denial of service
Chris.Rebischke at archlinux.org
Tue Sep 26 22:11:42 UTC 2017
Arch Linux Security Advisory ASA-201709-20
Date : 2017-09-25
CVE-ID : CVE-2017-14727
Package : weechat
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-412
The package weechat before version 1.9.1-1 is vulnerable to denial of
Upgrade to 1.9.1-1.
# pacman -Syu "weechat>=1.9.1-1"
The problem has been fixed upstream in version 1.9.1.
Unload the logger plugin: /plugin unload logger
It has been discovered that in logger.c in the logger plugin before
weechat 1.9.1 the date/time conversion specifiers are expanded after
replacing buffer local variables in name of log files. In some cases,
this can lead to an error in function strftime and a crash caused by
the use of an uninitialized buffer.
A remote attacker can crash the client via a specially crafted string.
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