[ GLSA 200703-12 ] SILC Server: Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: SILC Server: Denial of Service (GLSA 200703-12)
Severity: normal
Exploitable: remote
Date: March 14, 2007
Bug(s): #169599
ID: 200703-12

Synopsis

SILC Server is affected by a Denial of Service vulnerability.

Background

SILC Server is a server for the Secure Internet Live Conferencing (SILC) protocol.

Affected Packages

Package: net-im/silc-server
Vulnerable: < 1.0.2-r1
Unaffected: >= 1.0.2-r1
Architectures: All supported architectures


Description

Frank Benkstein discovered a possible NULL pointer dereference in apps/silcd/command.c if a new channel is created without specifying a valid hmac or cipher algorithm name.

Impact

A remote attacker could cause the server to crash, resulting in a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All SILC Server users should upgrade to the latest version: