Fix CVE-2014-8118 (integer overflow allowing arbitrary remote code execution via crafted CPIO header). https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8118 Source: https://bugzilla.redhat.com/attachment.cgi?id=962159&action=diff Adopted by Debian: http://anonscm.debian.org/cgit/collab-maint/rpm.git/plain/debian/patches/CVE-2014-8118.patch diff --git a/lib/cpio.c b/lib/cpio.c index 253ff0f..600633a 100644 --- a/lib/cpio.c +++ b/lib/cpio.c @@ -399,6 +399,9 @@ int rpmcpioHeaderRead(rpmcpio_t cpio, char ** path, int * fx) GET_NUM_FIELD(hdr.filesize, fsize); GET_NUM_FIELD(hdr.namesize, nameSize); + if (nameSize <= 0 || nameSize > 4096) { + return RPMERR_BAD_HEADER; + } char name[nameSize + 1]; read = Fread(name, nameSize, 1, cpio->fd);