From e5da2f38c3ca8d4626c1b87e045d00d28c1bf4d0 Mon Sep 17 00:00:00 2001 From: Mark H Weaver Date: Tue, 30 Dec 2014 14:46:21 -0500 Subject: gnu: unzip: Add fixes for CVE-2014-{8139,8140,8141}. * gnu/packages/patches/unzip-CVE-2014-8139.patch, gnu/packages/patches/unzip-CVE-2014-8140.patch, gnu/packages/patches/unzip-CVE-2014-8141.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/zip.scm (unzip): Add patches. --- gnu/packages/patches/unzip-CVE-2014-8140.patch | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 gnu/packages/patches/unzip-CVE-2014-8140.patch (limited to 'gnu/packages/patches/unzip-CVE-2014-8140.patch') diff --git a/gnu/packages/patches/unzip-CVE-2014-8140.patch b/gnu/packages/patches/unzip-CVE-2014-8140.patch new file mode 100644 index 0000000000..595d8d5bcd --- /dev/null +++ b/gnu/packages/patches/unzip-CVE-2014-8140.patch @@ -0,0 +1,27 @@ +From: sms +Subject: Fix CVE-2014-8140: out-of-bounds write issue in test_compr_eb() +Bug-Debian: http://bugs.debian.org/773722 + +--- a/extract.c ++++ b/extract.c +@@ -2234,10 +2234,17 @@ + if (compr_offset < 4) /* field is not compressed: */ + return PK_OK; /* do nothing and signal OK */ + ++ /* Return no/bad-data error status if any problem is found: ++ * 1. eb_size is too small to hold the uncompressed size ++ * (eb_ucsize). (Else extract eb_ucsize.) ++ * 2. eb_ucsize is zero (invalid). 2014-12-04 SMS. ++ * 3. eb_ucsize is positive, but eb_size is too small to hold ++ * the compressed data header. ++ */ + if ((eb_size < (EB_UCSIZE_P + 4)) || +- ((eb_ucsize = makelong(eb+(EB_HEADSIZE+EB_UCSIZE_P))) > 0L && +- eb_size <= (compr_offset + EB_CMPRHEADLEN))) +- return IZ_EF_TRUNC; /* no compressed data! */ ++ ((eb_ucsize = makelong( eb+ (EB_HEADSIZE+ EB_UCSIZE_P))) == 0L) || ++ ((eb_ucsize > 0L) && (eb_size <= (compr_offset + EB_CMPRHEADLEN)))) ++ return IZ_EF_TRUNC; /* no/bad compressed data! */ + + if ( + #ifdef INT_16BIT -- cgit v1.2.3