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SUSE:SLE-12-SP5:GA
libcares2
CVE-2020-22217.patch
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File CVE-2020-22217.patch of Package libcares2
Index: c-ares-1.9.1/ares_parse_soa_reply.c =================================================================== --- c-ares-1.9.1.orig/ares_parse_soa_reply.c +++ c-ares-1.9.1/ares_parse_soa_reply.c @@ -70,6 +70,9 @@ ares_parse_soa_reply(const unsigned char status = ares__expand_name_for_response(aptr, abuf, alen, &qname, &len); if (status != ARES_SUCCESS) goto failed_stat; + + if (alen <= len + HFIXEDSZ + 1) + goto failed; aptr += len; /* skip qtype & qclass */
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