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openSUSE:Step:15-SP4
opensc.33736
opensc-0_19_0-CVE-2019-15945.patch
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File opensc-0_19_0-CVE-2019-15945.patch of Package opensc.33736
Index: opensc-0.19.0/src/libopensc/asn1.c =================================================================== --- opensc-0.19.0.orig/src/libopensc/asn1.c +++ opensc-0.19.0/src/libopensc/asn1.c @@ -570,16 +570,21 @@ static int decode_bit_string(const u8 * { const u8 *in = inbuf; u8 *out = (u8 *) outbuf; - int zero_bits = *in & 0x07; - size_t octets_left = inlen - 1; int i, count = 0; + int zero_bits; + size_t octets_left; + + zero_bits = *in & 0x07; + octets_left = inlen - 1; - memset(outbuf, 0, outlen); - in++; if (outlen < octets_left) return SC_ERROR_BUFFER_TOO_SMALL; if (inlen < 1) return SC_ERROR_INVALID_ASN1_OBJECT; + + in++; + memset(outbuf, 0, outlen); + while (octets_left) { /* 1st octet of input: ABCDEFGH, where A is the MSB */ /* 1st octet of output: HGFEDCBA, where A is the LSB */
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