diff options
Diffstat (limited to 'poky/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch')
| -rw-r--r-- | poky/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/poky/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch b/poky/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch new file mode 100644 index 000000000..ca4aaadff --- /dev/null +++ b/poky/meta/recipes-extended/unzip/unzip/10-cve-2014-8140-test-compr-eb.patch @@ -0,0 +1,36 @@ +From: sms +Subject: Fix CVE-2014-8140: out-of-bounds write issue in test_compr_eb() +Bug-Debian: http://bugs.debian.org/773722 + +The patch comes from unzip_6.0-8+deb7u2.debian.tar.gz + +Upstream-Status: Backport +CVE: CVE-2014-8140 + +Signed-off-by: Roy Li <rongqing.li@windriver.com> + +Index: unzip60/extract.c +=================================================================== +--- unzip60.orig/extract.c ++++ unzip60/extract.c +@@ -2233,10 +2233,17 @@ static int test_compr_eb(__G__ eb, eb_si + 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! */ + + method = makeword(eb + (EB_HEADSIZE + compr_offset)); + if ((method == STORED) && |
