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Patch file for CVE-2018-10360.

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Patch from Matthias Ferdinand on pkgsrc-users.

The do_core_note function in readelf.c in libmagic.a in file
5.33 allows remote attackers to cause a denial of service
(out-of-bounds read and application crash) via a crafted ELF
file.
This commit is contained in:
bsiegert 2018-06-30 09:27:02 +00:00
parent 6811fe4e9a
commit 9b5bfa91e5
3 changed files with 28 additions and 3 deletions
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4
sysutils/file/Makefile
View file

@ -1,7 +1,7 @@
# $NetBSD: Makefile,v 1.41 2017/12/12 03:11:51 ryoon Exp $
# $NetBSD: Makefile,v 1.42 2018/06/30 09:27:02 bsiegert Exp $
DISTNAME= file-5.32
PKGREVISION= 1
PKGREVISION= 2
CATEGORIES= sysutils
MASTER_SITES= ftp://ftp.astron.com/pub/file/

3
sysutils/file/distinfo
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@ -1,4 +1,4 @@
$NetBSD: distinfo,v 1.30 2017/12/12 03:11:51 ryoon Exp $
$NetBSD: distinfo,v 1.31 2018/06/30 09:27:02 bsiegert Exp $
SHA1 (file-5.32.tar.gz) = c2858a8043387d1229d8768ad42762a803d017db
RMD160 (file-5.32.tar.gz) = b7d41a4c6b2c28d9f202d740e353416e2036c1ef
@ -6,4 +6,5 @@ SHA512 (file-5.32.tar.gz) = 315343229fa196335389544ee8010e9e80995ef4721938492ded
Size (file-5.32.tar.gz) = 797025 bytes
SHA1 (patch-aa) = dc787ea0d77d7ba88bcb1e17d38b26b13153a1c5
SHA1 (patch-src_fsmagic.c) = ee770cf37dfdfbc5a7c123d2691312610b76e76e
SHA1 (patch-src_readelf.c) = 2dca756d757509643f72937595c470378fb4f3d1
SHA1 (patch-src_softmagic.c) = bd8871c9050ca521f02b62066d0023a5fbb2d168

24
sysutils/file/patches/patch-src_readelf.c Normal file
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@ -0,0 +1,24 @@
$NetBSD: patch-src_readelf.c,v 1.1 2018/06/30 09:27:03 bsiegert Exp $
apply https://github.com/file/file/commit/a642587a9c9e2dd7feacdf513c3643ce26ad3c22
against https://nvd.nist.gov/vuln/detail/CVE-2018-10360
...
The do_core_note function in readelf.c in libmagic.a in file
5.33 allows remote attackers to cause a denial of service
(out-of-bounds read and application crash) via a crafted ELF
file.
...
--- src/readelf.c.orig 2017-08-27 07:55:02.000000000 +0000
+++ src/readelf.c
@@ -824,7 +824,8 @@ do_core_note(struct magic_set *ms, unsig
cname = (unsigned char *)
&nbuf[doff + prpsoffsets(i)];
- for (cp = cname; *cp && isprint(*cp); cp++)
+ for (cp = cname; cp < nbuf + size && *cp
+ && isprint(*cp); cp++)
continue;
/*
* Linux apparently appends a space at the end