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openSUSE:Step:15-SP4
opensc.29261
opensc-0_19_0-CVE-2020-26570.patch
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File opensc-0_19_0-CVE-2020-26570.patch of Package opensc.29261
Index: opensc-0.19.0/src/libopensc/pkcs15-oberthur.c =================================================================== --- opensc-0.19.0.orig/src/libopensc/pkcs15-oberthur.c +++ opensc-0.19.0/src/libopensc/pkcs15-oberthur.c @@ -266,11 +266,15 @@ sc_oberthur_read_file(struct sc_pkcs15_c rv = sc_read_binary(card, 0, *out, sz, 0); } else { - int rec; - int offs = 0; - int rec_len = file->record_length; + size_t rec; + size_t offs = 0; + size_t rec_len = file->record_length; for (rec = 1; ; rec++) { + if ((file->record_count < 0) || (rec > (size_t)file->record_count)) { + rv = 0; + break; + } rv = sc_read_record(card, rec, *out + offs + 2, rec_len, SC_RECORD_BY_REC_NR); if (rv == SC_ERROR_RECORD_NOT_FOUND) { rv = 0;
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