From a75936df894f92f225f9545d0b5f2d65f5020184 Mon Sep 17 00:00:00 2001 From: Ross Burton Date: Tue, 11 Sep 2018 10:37:40 +0100 Subject: lrzsz: fix CVE-2018-10195 "Integer overflow in src/zm.c:zsdata() causes crash in sz and can leak information to receiver." Take a patch from Fedora to resolve CVE-2018-10195. (From OE-Core rev: a7b50fcee9a295de57f743fa3637905992da722e) Signed-off-by: Ross Burton Signed-off-by: Richard Purdie --- .../lrzsz/lrzsz-0.12.20/cve-2018-10195.patch | 28 ++++++++++++++++++++++ meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb | 1 + 2 files changed, 29 insertions(+) create mode 100644 meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch (limited to 'meta/recipes-bsp') diff --git a/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch b/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch new file mode 100644 index 0000000000..dea298634f --- /dev/null +++ b/meta/recipes-bsp/lrzsz/lrzsz-0.12.20/cve-2018-10195.patch @@ -0,0 +1,28 @@ +Integer overflow in src/zm.c:zsdata() causes crash in sz and can leak information to receiver. + +Patch taken from Fedora. + +CVE: CVE-2018-10195 +Upstream-Status: Inappropriate (dead upstream) +Signed-off-by: Ross Burton + +diff -urN lrzsz-0.12.20/src/zm.c lrzsz-0.12.20.new/src/zm.c +--- lrzsz-0.12.20/src/zm.c Tue Dec 29 09:48:38 1998 ++++ lrzsz-0.12.20.new/src/zm.c Tue Oct 8 12:46:58 2002 +@@ -431,10 +431,12 @@ + VPRINTF(3,("zsdata: %lu %s", (unsigned long) length, + Zendnames[(frameend-ZCRCE)&3])); + crc = 0; +- do { +- zsendline(*buf); crc = updcrc((0377 & *buf), crc); +- buf++; +- } while (--length>0); ++ ++ for( ; length; length--) { ++ zsendline(*buf); crc = updcrc((0377 & *buf), crc); ++ buf++; ++ } ++ + xsendline(ZDLE); xsendline(frameend); + crc = updcrc(frameend, crc); + \ No newline at end of file diff --git a/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb b/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb index 4b349be32f..002c774c6d 100644 --- a/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb +++ b/meta/recipes-bsp/lrzsz/lrzsz_0.12.20.bb @@ -19,6 +19,7 @@ SRC_URI = "http://www.ohse.de/uwe/releases/lrzsz-${PV}.tar.gz \ file://acdefine.patch \ file://lrzsz_fix_for_automake-1.12.patch \ file://lrzsz-check-locale.h.patch \ + file://cve-2018-10195.patch \ " SRC_URI[md5sum] = "b5ce6a74abc9b9eb2af94dffdfd372a4" -- cgit 1.2.3-korg