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All Linux Systems glibc Critical Remote Code Execution Advisory

Calendar Jan 27, 2015 • User Avatar Anthony Pell
1 min read
General Esm H446
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Topics Covered

security advisory critical remote code execution glibc GNU C library all distributions
A critical vulnerability has been found in glibc, the GNU C library, that affects all Linux systems dating back to 2000. Attackers can use this flaw to execute code and remotely gain control of Linux machines.

The issue stems from a heap-based buffer overflow found in the __nss_hostname_digits_dots() function in glibc. That particular function is used by the _gethostbyname function calls.

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