Integer overflow in the getword function in options.c in pppd in Paul's PPP Package (ppp) before 2.4.7 allows attackers to access privileged options via a long word in an options file, which triggers a heap-based buffer overflow that [corrupts] security-relevant variables. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-3158