lede-packages-rs

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004-CVE-2014-9636-test-compr-eb.patch (971B)

      1 --- a/extract.c
      2 +++ b/extract.c
      3 @@ -2228,6 +2228,7 @@ static int test_compr_eb(__G__ eb, eb_si
      4      ulg eb_ucsize;
      5      uch *eb_ucptr;
      6      int r;
      7 +    ush eb_compr_method;
      8  
      9      if (compr_offset < 4)                /* field is not compressed: */
     10          return PK_OK;                    /* do nothing and signal OK */
     11 @@ -2244,6 +2245,14 @@ static int test_compr_eb(__G__ eb, eb_si
     12       ((eb_ucsize > 0L) && (eb_size <= (compr_offset + EB_CMPRHEADLEN))))
     13          return IZ_EF_TRUNC;             /* no/bad compressed data! */
     14  
     15 +    /* 2014-11-03 Michal Zalewski, SMS.
     16 +     * For STORE method, compressed and uncompressed sizes must agree.
     17 +     * http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=450
     18 +     */
     19 +    eb_compr_method = makeword( eb + (EB_HEADSIZE + compr_offset));
     20 +    if ((eb_compr_method == STORED) && (eb_size - compr_offset != eb_ucsize))
     21 +        return PK_ERR;
     22 +
     23      if (
     24  #ifdef INT_16BIT
     25          (((ulg)(extent)eb_ucsize) != eb_ucsize) ||