diff options
Diffstat (limited to 'lib/libssl/src/apps/asn1pars.c')
| -rw-r--r-- | lib/libssl/src/apps/asn1pars.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libssl/src/apps/asn1pars.c b/lib/libssl/src/apps/asn1pars.c index 83674154053..7db40adf043 100644 --- a/lib/libssl/src/apps/asn1pars.c +++ b/lib/libssl/src/apps/asn1pars.c @@ -304,7 +304,15 @@ bad: num=tmplen; } - if (length == 0) length=(unsigned int)num; + if (offset >= num) + { + BIO_printf(bio_err, "Error: offset too large\n"); + goto end; + } + + num -= offset; + + if ((length == 0) || ((long)length > num)) length=(unsigned int)num; if(derout) { if(BIO_write(derout, str + offset, length) != (int)length) { BIO_printf(bio_err, "Error writing output\n"); |