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Benutzt hier jemand systemd?While the check at (A) tries to ensure that the buffer has enough space left to store the IA option, it does not take the additional 4 bytes from the DHCP6Option header int
27.10.2018, 12:06 Uhr. Fefes Blog - blog.fefe.de - Benutzt hier jemand systemd?While the check at (A) tries to ensure that the buffer has enough space left to store the IA option, it does not take the additional 4 bytes from the DHCP6Option header into account (B). Due to this the memcpy at (C) can go out-of-bound and *buflen can underflow in (D) giving an attacker a very powerful and largely controlled...