CL777
2021-08-27
That’s serious
Microsoft warns thousands of cloud customers of exposed databases
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A research team at security company Wiz discovered it was able to access keys that control access to databases held by thousands of companies. Wiz Chief Technology Officer Ami Luttwak is a former chief technology officer at Microsoft's Cloud Security Group.</p>\n<p>Because Microsoft cannot change those keys by itself, it emailed the customers Thursday telling them to create new ones. Microsoft agreed to pay Wiz $40,000 for finding the flaw and reporting it, according to an email it sent to Wiz.</p>\n<p>Microsoft spokespeople did not immediately comment.</p>\n<p>Microsoft's email to customers said it has fixed the vulnerability and that there was no evidence the flaw had been exploited. \"We have no indication that external entities outside the researcher (Wiz) had access to the primary read-write key,\" according to a copy of the email seen by Reuters.</p>\n<p>“This is the worst cloud vulnerability you can imagine. It is a long-lasting secret,” Luttwak told Reuters. “This is the central database of Azure, and we were able to get access to any customer database that we wanted.”</p>\n<p>Luttwak's team found the problem, dubbed ChaosDB, on Aug. 9 and notified Microsoft Aug. 12, Luttwak said.</p>\n<p>The disclosure comes after months of bad security news for Microsoft. The company was breached by the same suspected Russian government hackers that infiltrated SolarWinds, who stole Microsoft source code https://www.reuters.com/article/us-cyber-solarwinds-microsoft-idUSKBN2AI2Q0.</p>\n<p>A recent fix for a printer flaw that allowed computer takeovers had to be redone repeatedly. 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A research team at security company Wiz discovered it was able to access keys that control access to databases held by thousands of companies. Wiz Chief Technology Officer Ami Luttwak is a former chief technology officer at Microsoft's Cloud Security Group.\nBecause Microsoft cannot change those keys by itself, it emailed the customers Thursday telling them to create new ones. Microsoft agreed to pay Wiz $40,000 for finding the flaw and reporting it, according to an email it sent to Wiz.\nMicrosoft spokespeople did not immediately comment.\nMicrosoft's email to customers said it has fixed the vulnerability and that there was no evidence the flaw had been exploited. \"We have no indication that external entities outside the researcher (Wiz) had access to the primary read-write key,\" according to a copy of the email seen by Reuters.\n“This is the worst cloud vulnerability you can imagine. It is a long-lasting secret,” Luttwak told Reuters. “This is the central database of Azure, and we were able to get access to any customer database that we wanted.”\nLuttwak's team found the problem, dubbed ChaosDB, on Aug. 9 and notified Microsoft Aug. 12, Luttwak said.\nThe disclosure comes after months of bad security news for Microsoft. The company was breached by the same suspected Russian government hackers that infiltrated SolarWinds, who stole Microsoft source code https://www.reuters.com/article/us-cyber-solarwinds-microsoft-idUSKBN2AI2Q0.\nA recent fix for a printer flaw that allowed computer takeovers had to be redone repeatedly. 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