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mueli 09/04/08 14:29:08 |
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|
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Added: CVE-2009-0844+CVE-2009-0847.patch |
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CVE-2009-0846.patch |
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Log: |
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added mit-krb5-1.6.3-r6 - see bug #263398 |
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(Portage version: 2.1.6.8/cvs/Linux x86_64) |
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|
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Revision Changes Path |
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1.1 app-crypt/mit-krb5/files/CVE-2009-0844+CVE-2009-0847.patch |
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|
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file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-crypt/mit-krb5/files/CVE-2009-0844+CVE-2009-0847.patch?rev=1.1&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-crypt/mit-krb5/files/CVE-2009-0844+CVE-2009-0847.patch?rev=1.1&content-type=text/plain |
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|
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Index: CVE-2009-0844+CVE-2009-0847.patch |
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=================================================================== |
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Index: krb5-1.6.3/src/lib/gssapi/spnego/spnego_mech.c |
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=================================================================== |
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--- krb5-1.6.3.orig/src/lib/gssapi/spnego/spnego_mech.c |
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+++ krb5-1.6.3/src/lib/gssapi/spnego/spnego_mech.c |
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@@ -1815,7 +1815,8 @@ get_input_token(unsigned char **buff_in, |
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return (NULL); |
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|
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input_token->length = gssint_get_der_length(buff_in, buff_length, &bytes); |
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- if ((int)input_token->length == -1) { |
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+ if ((int)input_token->length == -1 || |
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+ input_token->length > buff_length) { |
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free(input_token); |
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return (NULL); |
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} |
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Index: krb5-1.6.3/src/lib/krb5/asn.1/asn1buf.c |
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=================================================================== |
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--- krb5-1.6.3.orig/src/lib/krb5/asn.1/asn1buf.c |
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+++ krb5-1.6.3/src/lib/krb5/asn.1/asn1buf.c |
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@@ -78,11 +78,11 @@ asn1_error_code asn1buf_wrap_data(asn1bu |
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|
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asn1_error_code asn1buf_imbed(asn1buf *subbuf, const asn1buf *buf, const unsigned int length, const int indef) |
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{ |
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+ if (buf->next > buf->bound + 1) return ASN1_OVERRUN; |
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subbuf->base = subbuf->next = buf->next; |
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if (!indef) { |
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+ if (length > (size_t)(buf->bound + 1 - buf->next)) return ASN1_OVERRUN; |
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subbuf->bound = subbuf->base + length - 1; |
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- if (subbuf->bound > buf->bound) |
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- return ASN1_OVERRUN; |
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} else /* constructed indefinite */ |
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subbuf->bound = buf->bound; |
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return 0; |
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@@ -200,6 +200,7 @@ asn1_error_code asn1buf_remove_octetstri |
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{ |
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int i; |
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|
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+ if (buf->next > buf->bound + 1) return ASN1_OVERRUN; |
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if (len > buf->bound + 1 - buf->next) return ASN1_OVERRUN; |
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if (len == 0) { |
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*s = 0; |
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@@ -218,6 +219,7 @@ asn1_error_code asn1buf_remove_charstrin |
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{ |
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int i; |
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|
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+ if (buf->next > buf->bound + 1) return ASN1_OVERRUN; |
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if (len > buf->bound + 1 - buf->next) return ASN1_OVERRUN; |
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if (len == 0) { |
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*s = 0; |
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|
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|
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|
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1.1 app-crypt/mit-krb5/files/CVE-2009-0846.patch |
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|
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file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-crypt/mit-krb5/files/CVE-2009-0846.patch?rev=1.1&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-crypt/mit-krb5/files/CVE-2009-0846.patch?rev=1.1&content-type=text/plain |
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|
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Index: CVE-2009-0846.patch |
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=================================================================== |
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diff --git a/src/lib/krb5/asn.1/asn1_decode.c |
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b/src/lib/krb5/asn.1/asn1_decode.c |
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index aa4be32..5f7461d 100644 |
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--- a/src/lib/krb5/asn.1/asn1_decode.c |
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+++ b/src/lib/krb5/asn.1/asn1_decode.c |
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@@ -231,6 +231,7 @@ asn1_error_code asn1_decode_generaltime(asn1buf *buf, time_t *val) |
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|
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if(length != 15) return ASN1_BAD_LENGTH; |
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retval = asn1buf_remove_charstring(buf,15,&s); |
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+ if (retval) return retval; |
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/* Time encoding: YYYYMMDDhhmmssZ */ |
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if(s[14] != 'Z') { |
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free(s); |
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diff --git a/src/tests/asn.1/krb5_decode_test.c |
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b/src/tests/asn.1/krb5_decode_test.c |
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index 0ff9343..1c427d1 100644 |
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--- a/src/tests/asn.1/krb5_decode_test.c |
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+++ b/src/tests/asn.1/krb5_decode_test.c |
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@@ -485,5 +485,21 @@ int main(argc, argv) |
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ktest_destroy_keyblock(&(ref.subkey)); |
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ref.seq_number = 0; |
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decode_run("ap_rep_enc_part","(optionals NULL)","7B 1C 30 1A A0 11 18 0F 31 39 39 34 30 36 31 30 30 36 30 33 31 37 5A A1 05 02 03 01 E2 40",decode_krb5_ap_rep_enc_part,ktest_equal_ap_rep_enc_part,krb5_free_ap_rep_enc_part); |
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+ |
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+ retval = krb5_data_hex_parse(&code, "7B 06 30 04 A0 11 18 0F 31 39 39 34 30 36 31 30 30 36 30 33 31 37 5A A1 05 02 03 01 E2 40"); |
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+ if (retval) { |
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+ com_err("krb5_decode_test", retval, "while parsing"); |
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+ exit(1); |
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+ } |
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+ retval = decode_krb5_ap_rep_enc_part(&code, &var); |
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+ if (retval != ASN1_OVERRUN) { |
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+ printf("ERROR: "); |
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+ } else { |
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+ printf("OK: "); |
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+ } |
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+ printf("ap_rep_enc_part(optionals NULL + expect ASN1_OVERRUN for inconsistent length of timestamp)\n"); |
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+ krb5_free_data_contents(test_context, &code); |
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+ krb5_free_ap_rep_enc_part(test_context, var); |
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+ |
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ktest_empty_ap_rep_enc_part(&ref); |
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} |