Remote exploitable vulnerability in GNU adns library

In the library developed by the GNU project for performing adns DNS queries revealed 7 vulnerabilities, of which four are problems (CVE-2017-9103, CVE-2017-9104, CVE-2017-9105, CVE-2017-9109) can be used to launch a remote code execution attack on the system. The remaining three vulnerabilities result in a denial of service by causing an application using adns to crash.

Plastic bag adns includes a C library and a set of utilities for performing DNS queries in asynchronous mode or using an event-driven model (Event-driven). Issues fixed in releases 1.5.2 and 1.6.0. Vulnerabilities allow attacking applications that call adns functions through the return of a specially crafted response or SOA / RP fields by a recursive DNS server.

Source: opennet.ru

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