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Fix double-free in TLS server name extensions which could lead to a remote
crash found by Codenomicon TLS test suite (CVE-2008-0891)

Reviewed by: openssl-security@openssl.org

Obtained from: jorton@redhat.com
This commit is contained in:
Bodo Möller 2008-05-28 22:15:48 +00:00
parent c6f6c380c7
commit 40a706286f
2 changed files with 5 additions and 0 deletions
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4
CHANGES
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@ -690,6 +690,10 @@
Changes between 0.9.8g and 0.9.8h [xx XXX xxxx]
*) Fix double free in TLS server name extensions which could lead to
a remote crash found by Codenomicon TLS test suite (CVE-2008-0891)
[Joe Orton]
*) Clear error queue in SSL_CTX_use_certificate_chain_file()
Clear the error queue to ensure that error entries left from

1
ssl/t1_lib.c
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@ -637,6 +637,7 @@ int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **p, unsigned char *d, in
s->session->tlsext_hostname[len]='\0';
if (strlen(s->session->tlsext_hostname) != len) {
OPENSSL_free(s->session->tlsext_hostname);
s->session->tlsext_hostname = NULL;
*al = TLS1_AD_UNRECOGNIZED_NAME;
return 0;
}