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Merge pull request #7602 from mprse/AuthorityKeyId_leak_fix

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Fix for memory leak while parsing AuthorityKeyId ext
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Paul Elliott 2023-05-18 09:57:56 +01:00 committed by GitHub
commit aa266f29e6
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2 changed files with 6 additions and 0 deletions
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1
library/x509_crt.c
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@ -3202,6 +3202,7 @@ void mbedtls_x509_crt_free(mbedtls_x509_crt *crt)
mbedtls_asn1_sequence_free(cert_cur->ext_key_usage.next); mbedtls_asn1_sequence_free(cert_cur->ext_key_usage.next);
mbedtls_asn1_sequence_free(cert_cur->subject_alt_names.next); mbedtls_asn1_sequence_free(cert_cur->subject_alt_names.next);
mbedtls_asn1_sequence_free(cert_cur->certificate_policies.next); mbedtls_asn1_sequence_free(cert_cur->certificate_policies.next);
mbedtls_asn1_sequence_free(cert_cur->authority_key_id.authorityCertIssuer.next);
if (cert_cur->raw.p != NULL && cert_cur->own_buffer) { if (cert_cur->raw.p != NULL && cert_cur->own_buffer) {
mbedtls_platform_zeroize(cert_cur->raw.p, cert_cur->raw.len); mbedtls_platform_zeroize(cert_cur->raw.p, cert_cur->raw.len);

5
tests/suites/test_suite_x509parse.data
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@ -3320,3 +3320,8 @@ x509_crt_parse_authoritykeyid:"308203873082026fa003020102020100300d06092a864886f
X509 CRT parse Authority Key Id - Wrong Issuer Tag 2 X509 CRT parse Authority Key Id - Wrong Issuer Tag 2
depends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C depends_on:MBEDTLS_MD_CAN_SHA1:MBEDTLS_RSA_C
x509_crt_parse_authoritykeyid:"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":0:"":0:MBEDTLS_ERR_X509_INVALID_EXTENSIONS+MBEDTLS_ERR_ASN1_UNEXPECTED_TAG x509_crt_parse_authoritykeyid:"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":0:"":0:MBEDTLS_ERR_X509_INVALID_EXTENSIONS+MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
# clusterfuzz-testcase-minimized-fuzz_x509crt-6666050834661376: test for bad sequence of names in authorityCertIssuer
X509 CRT parse Authority Key Id - Wrong Issuer sequence
depends_on:MBEDTLS_MD_CAN_MD5:MBEDTLS_RSA_C
x509_crt_parse_authoritykeyid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