crawl before 4.0.0 beta23 does not properly "apply a size check" when copying a certain environment variable, which may allow local users to gain privileges, possibly as a result of a buffer overflow.Referenceshttp://secunia.com/advisories/10788/http://www.securityfocus.com/bid/9566https://exchange.xforce.ibmcloud.com/vulnerabilities/15032http://www.debian.org/security/2004/dsa-432
