Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose
arbitrary memory during a JSON.generate call. The issues lies in using
strdup in ext/json/ext/generator/generator.c, which will stop after
encountering a '\0' byte, returning a pointer to a string of length zero,
which is not the length stored in space_len.
Reference:
https://nvd.nist.gov/vuln/detail/CVE-2017-14064
Upstream patch:
8f782fd8e1
(From OE-Core rev: 17dbfd967019f9b50a9f6aa3f48cd3658fcccc70)
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
80aa68fa75