Directory traversal vulnerability in the read_long_names function in libelf/elf_begin.c in elfutils 0.152 and 0.161 allows remote attackers to write to arbitrary files to the root directory via a / (slash) in a crafted archive, as demonstrated using the ar program. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9447