PSA: glibc buffer overflow (nss_hostname_digits_dots)

$ cd ~meri > Annoyances > PSA: glibc buffer overflow (nss_hostname_digits_dots)

2015.01.27

Annoyances, PSA, Technology

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[covert-ops] bullhorn

Via https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-0235.

A heap-based buffer overflow was found in glibc’s __nss_hostname_digits_dots() function, which is used by the gethostbyname() and gethostbyname2() glibc function calls. A remote attacker able to make an application call either of these functions could use this flaw to execute arbitrary code with the permissions of the user running the application.

Update ALL THE THINGS! Again. Once, you know, a patch is available.

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