Description
JustSystems JUST Online Update, as used in Ichitaro through 2014 and other products, does not properly validate signatures of update modules, which allows remote attackers to spoof modules and execute arbitrary code via a crafted signature.
References
- http://www.justsystems.com/jp/info/js14002.html
- JVNDB-2014-000053 third-party-advisory
- JVN#50129191 third-party-advisory
- http://www.ipa.go.jp/security/ciadr/vul/20140611-jvn.html