diff options
Diffstat (limited to 'source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8140.patch')
| -rw-r--r-- | source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8140.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8140.patch b/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8140.patch new file mode 100644 index 00000000..b9eba92b --- /dev/null +++ b/source/a/infozip/unzip-patches/unzip-6.0-cve-2014-8140.patch @@ -0,0 +1,25 @@ +diff --git a/extract.c b/extract.c +index c741b5f..e4a4c7b 100644 +--- a/extract.c ++++ b/extract.c +@@ -2240,10 +2240,17 @@ static int test_compr_eb(__G__ eb, eb_size, compr_offset, test_uc_ebdata) + 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) && (eb_size != compr_offset + EB_CMPRHEADLEN + eb_ucsize)) |