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What they've found is that there's a companion memory leak (CVE-2015-5333) and buffer overflow (CVE-2015-5334) in the SSL replacement candidate.
The researchers from Qualys (their notice published here) said they were trying to see if a remote code execution attack is feasible against vulnerabilities they've turned up in OpenSMTPD (which earlier this month hit version 5.7.3).
“Because we could not find one in OpenSMTPD itself, we started to review the malloc()s and free()s of its libraries, and eventually found a memory leak in LibreSSL's OBJ_obj2txt() function; we then realized that this function also contains a buffer overflow (an off-by-one, usually stack-based).”
The memory leak provides a path for an attacker to cause a denial-of-service attack, and also permits triggering of the buffer overflow.
The LibreSSL team has released fixes for OpenBSD.
(Score: 2) by engblom on Tuesday October 20 2015, @09:35AM
The error is because of where the declaration is done, but in checking you stay inside of the memory area you should when you use the data structure the pointer pointed at.
I meant:
The error is not in where the declaration is done, but in checking you stay inside of the memory area you should when you use the data structure the pointer pointed at.