Pidgin Remote Denial Of Service In Yahoo Protocol Plugin
29 Mar. 2011
Summary
libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.
Credit:
The information has been provided by Marius Wachtler.
The Yahoo protocol plugin in libpurple versions 2.6.0 through 2.7.10 do not properly handle malformed YMSG packets, leading to NULL pointer dereferences and application crash.
Vendor Status:
Pidgin had issued an update for this vulnerability