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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2018-04-02 09:13:49 +0200 |
|---|---|---|
| committer | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2018-04-03 16:02:17 +0200 |
| commit | 16e1eea6a67c85c9d786f3c4448182b1aca101b8 (patch) | |
| tree | 32c7978df133f609ca2154178fe2d922d2191d85 | |
| parent | 18ada952d1dcea8dfc5008df9f317b3eb47c13fa (diff) | |
| download | openssl-16e1eea6a67c85c9d786f3c4448182b1aca101b8.zip openssl-16e1eea6a67c85c9d786f3c4448182b1aca101b8.tar.gz openssl-16e1eea6a67c85c9d786f3c4448182b1aca101b8.tar.bz2 | |
Fix range checks with -offset and -length in asn1parse
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/5826)
| -rw-r--r-- | apps/asn1pars.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/apps/asn1pars.c b/apps/asn1pars.c index 6278b13..062e196 100644 --- a/apps/asn1pars.c +++ b/apps/asn1pars.c @@ -258,14 +258,14 @@ int asn1parse_main(int argc, char **argv) num = tmplen; } - if (offset >= num) { + if (offset < 0 || offset >= num) { BIO_printf(bio_err, "Error: offset too large\n"); goto end; } num -= offset; - if ((length == 0) || ((long)length > num)) + if (length == 0 || length > (unsigned int)num) length = (unsigned int)num; if (derout != NULL) { if (BIO_write(derout, str + offset, length) != (int)length) { |