53b1da7ff8
overrunning a buffer, if too long. CVE-2012-4409. Patch from http://seclists.org/oss-sec/2012/q3/396, ok benoit@
16 lines
614 B
Plaintext
16 lines
614 B
Plaintext
$OpenBSD: patch-src_extra_c,v 1.1 2012/09/06 21:56:31 sthen Exp $
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CVE-2012-4409, patch from http://seclists.org/oss-sec/2012/q3/396
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--- src/extra.c.orig Thu Sep 6 22:23:29 2012
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+++ src/extra.c Thu Sep 6 22:24:09 2012
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@@ -242,6 +242,8 @@ int check_file_head(FILE * fstream, char *algorithm, c
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if (m_getbit(0, sflag) != 0) { /* if the first bit is set */
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*salt_size = m_setbit(0, sflag, 0);
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if (*salt_size > 0) {
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+ if (*salt_size > sizeof(tmp_buf))
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+ err_quit(_("Salt is too long\n"));
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fread(tmp_buf, 1, *salt_size,
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fstream);
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memmove(salt, tmp_buf, *salt_size);
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