Source: ARS Technica, Dan Goodin
Contrary to what Ars and the rest of the world reported Friday, none of the published exploits stolen from the National Security Agency work against currently supported Microsoft products. This is according to a Microsoft blog post published late Friday night.
That’s because the critical vulnerabilities for four exploits previously believed to be zero-days were patched in March, exactly one month before a group called Shadow Brokers published Friday’s latest installment of weapons-grade attacks. Those updates—which Microsoft indexes as MS17-010, CVE-2017-0146, and CVE-2017-0147—make no mention of the person or group who reported the vulnerabilities to Microsoft. The lack of credit isn’t unprecedented, but it’s uncommon, and it’s generating speculation that the reporters were tied to the NSA. In a vaguely worded statement issued Friday, Microsoft seemed to say it had had no contact with NSA officials concerning any of the exploits contained in Friday’s leak.
Microsoft provided the following table showing when various vulnerabilities were patched:
The revelation that none of the highly advanced exploits work against supported Microsoft products brings a measure of relief to some of the more dire warnings sounded 24 hours earlier. It means that most home and small-office users are likely to be safe, since their systems are likely to have automatically installed the critical updates weeks ago. Computers in larger organizations, however, can often remain two or more months behind Microsoft’s patch schedule, as administrators test the updates to ensure they’re compatible with intranets and other internal systems. That means that some of the most sensitive and mission-critical networks may still be vulnerable to the four exploits, which are known as EternalBlue, EternalChampion, EternalSynergy, and EternalRomance.
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