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PRIOn knowledge basePRION:CVE-2017-9445HistoryJun 28, 2017 - 6:29 a.m.
Code injection
2017-06-2806:29:00
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In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can cause it to allocate a buffer that’s too small. A malicious DNS server can exploit this via a response with a specially crafted TCP payload to trick systemd-resolved into allocating a buffer that’s too small, and subsequently write arbitrary data beyond the end of it.
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