26 lines
790 B
Diff
26 lines
790 B
Diff
|
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);
|