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(gssapi_krb5_verify_8003_checksum): check that cksum isn't NULL

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From: Nicolas Pouvesle <npouvesle@tenablesecurity.com>


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14710 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-04-01 08:55:36 +00:00
parent 227fcde20c
commit b42998d374
2 changed files with 10 additions and 0 deletions
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5
lib/gssapi/krb5/8003.c
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@@ -178,6 +178,11 @@ gssapi_krb5_verify_8003_checksum(
int DlgOpt;
static unsigned char zeros[16];
if (cksum == NULL) {
*minor_status = 0;
return GSS_S_BAD_BINDINGS;
}
/* XXX should handle checksums > 24 bytes */
if(cksum->cksumtype != CKSUMTYPE_GSSAPI || cksum->checksum.length < 24) {
*minor_status = 0;