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Microsoft has issued a fix for a major vulnerability in remote desktop services. In an unprecedented move demonstrating the severity of the issue, the patch also covers older unsupported versions of Windows, XP and Windows 2003.
To use this site to find and download updates, you need to change your security settings to allow ActiveX controls and active scripting. To get updates but allow your security settings to continue blocking potentially harmful ActiveX controls and scripting from other sites, make this site a trusted website. On May 14, 2019, Microsoft released an urgend security update for older Windows versions up to Windows 7 that closes a critical vulnerability CVE-2019-0708 in Remote Desktop Services. The vulnerability is considered to be so critical that Windows XP and Windows Server 2003 as well as Windows Vista will also receive the update. Patch 9.9 will be the last patch that supports Windows XP and Vista. It should roll out on April 30, 2019. When Patch 9.10 hits on May 14, official support will be dropped. How are you making sure that XP and Vista users are aware of the change? We'll post another reminder about our plans a couple of weeks before we end support.
The remote code execution vulnerability also affects in-support systems including Windows 7, Windows Server 2008 R2, and Windows Server 2008. The Remote Desktop Protocol (RDP) itself is not vulnerable, Microsoft says, and customers running Windows 8 and Windows 10 are not affected.
The vulnerability, CVE-2019-0708 is pre-authentication and requires no user interaction. In other words, says Simon Pope, director of incident response, Microsoft Security Response Center in a blog: “The vulnerability is ‘wormable’, meaning that any future malware that exploits this vulnerability could propagate from vulnerable computer to vulnerable computer in a similar way as the WannaCry malware spread across the globe in 2017.”
Pope says that so far, the vulnerability has not been exploited, but he adds: “It’s highly likely that malicious actors will write an exploit for this vulnerability and incorporate it into their malware.”
Given the scale of this vulnerability, Pope says it’s important that affected systems are patched “as quickly as possible.”
Why it’s important
It is the first time unsupported Windows versions have been patched since WannaCry, which crippled the NHS after using the National Security Agency’s (NSA) leaked Eternal Blue exploit to spread within networks.
“The fact that Microsoft have decided to release a patch for an operating system that went out of support just over five years ago (8 April 2014), just illustrates how severe this vulnerability is,” says Sean Wright, independent security researcher. Because Microsoft has hinted that the vulnerability is potentially wormable, this is something along the lines of WannaCry, he says.
But it also highlights something else that is worrying, says Wright: “There are likely many users or organizations who are still using it.”
Getting the update
Downloads for in-support versions of Windows can be found in the Microsoft Security Update Guide. Those who have automatic updates enabled on their in-support version of Windows are already protected.
Meanwhile, people using out of support systems such as Windows 2003 and Windows XP really should upgrade the latest version of Windows, says Microsoft. But it is also making fixes available for these out-of-support versions of Windows in KB4500705.
Here are the links to download for Windows 7, Windows 2008 R2, and Windows 2008. And here are the links to download for Windows 2003 and Windows XP.
Microsoft advises everyone to update – even if you have the partial mitigation on affected systems provided by Network Level Authentication (NLA). “The affected systems are mitigated against ‘wormable’ malware or advanced malware threats that could exploit the vulnerability, as NLA requires authentication before the vulnerability can be triggered,” says Pope.
“However, affected systems are still vulnerable to Remote Code Execution (RCE) exploitation if the attacker has valid credentials that can be used to successfully authenticate. It is for these reasons that we strongly advise that all affected systems—irrespective of whether NLA is enabled or not—should be updated as soon as possible.”
What to do now
The WannaCry attack was devastating, not least for the NHS which suffered massively due to its use of out of support Windows XP. And it seems that a significant number of people are still using out of date Windows systems, hence the need to issue the patch at all.
At the same time, it’s also worth noting that the UK’s National Cyber Security Center (NCSC) is credited in Microsoft’s acknowledgements as the organization that reported the bug. Experts say this highlights the good work the NCSC is doing. “I find it ironic, on the two year anniversary of WannaCry, which leveraged Eternal Blue developed by the NSA,” says Wright. “And here we have a government department identifying the issue and helping to address it: A complete contrast to the WannaCry situation.”
The latest patch Tuesday shows the importance of keeping your software up to date, as well as ensuring that you keep your software on on supported versions where possible in order to get these important updates, says Wright. “Attackers will no doubt be looking at the patch news with a smile since it contains some rather critical vulnerabilities which they no doubt can add to their arsenal. Thankfully in this case, as opposed to the WannaCry instance two years ago, we seem to be a step ahead and better prepared this time.”
'>Microsoft has issued a fix for a major vulnerability in remote desktop services. Luxembourg: A reflection of mediaeval castle in windows of Microsoft's office
GettyMicrosoft has issued a fix for a major vulnerability in remote desktop services. In an unprecedented move demonstrating the severity of the issue, the patch also covers older unsupported versions of Windows, XP and Windows 2003.
The remote code execution vulnerability also affects in-support systems including Windows 7, Windows Server 2008 R2, and Windows Server 2008. The Remote Desktop Protocol (RDP) itself is not vulnerable, Microsoft says, and customers running Windows 8 and Windows 10 are not affected.
Microsoft Patches Windows Xp
The vulnerability, CVE-2019-0708 is pre-authentication and requires no user interaction. In other words, says Simon Pope, director of incident response, Microsoft Security Response Center in a blog: “The vulnerability is ‘wormable’, meaning that any future malware that exploits this vulnerability could propagate from vulnerable computer to vulnerable computer in a similar way as the WannaCry malware spread across the globe in 2017.”
Pope says that so far, the vulnerability has not been exploited, but he adds: “It’s highly likely that malicious actors will write an exploit for this vulnerability and incorporate it into their malware.”
Given the scale of this vulnerability, Pope says it’s important that affected systems are patched “as quickly as possible.”
Why it’s important
It is the first time unsupported Windows versions have been patched since WannaCry, which crippled the NHS after using the National Security Agency’s (NSA) leaked Eternal Blue exploit to spread within networks.
“The fact that Microsoft have decided to release a patch for an operating system that went out of support just over five years ago (8 April 2014), just illustrates how severe this vulnerability is,” says Sean Wright, independent security researcher. Because Microsoft has hinted that the vulnerability is potentially wormable, this is something along the lines of WannaCry, he says.
But it also highlights something else that is worrying, says Wright: “There are likely many users or organizations who are still using it.”
Getting the update
Downloads for in-support versions of Windows can be found in the Microsoft Security Update Guide. Those who have automatic updates enabled on their in-support version of Windows are already protected.
Meanwhile, people using out of support systems such as Windows 2003 and Windows XP really should upgrade the latest version of Windows, says Microsoft. But it is also making fixes available for these out-of-support versions of Windows in KB4500705.
Here are the links to download for Windows 7, Windows 2008 R2, and Windows 2008. And here are the links to download for Windows 2003 and Windows XP.
Microsoft advises everyone to update – even if you have the partial mitigation on affected systems provided by Network Level Authentication (NLA). “The affected systems are mitigated against ‘wormable’ malware or advanced malware threats that could exploit the vulnerability, as NLA requires authentication before the vulnerability can be triggered,” says Pope.
“However, affected systems are still vulnerable to Remote Code Execution (RCE) exploitation if the attacker has valid credentials that can be used to successfully authenticate. It is for these reasons that we strongly advise that all affected systems—irrespective of whether NLA is enabled or not—should be updated as soon as possible.”
What to do now
The WannaCry attack was devastating, not least for the NHS which suffered massively due to its use of out of support Windows XP. And it seems that a significant number of people are still using out of date Windows systems, hence the need to issue the patch at all.
Last Patch For Windows Xp 4
At the same time, it’s also worth noting that the UK’s National Cyber Security Center (NCSC) is credited in Microsoft’s acknowledgements as the organization that reported the bug. Experts say this highlights the good work the NCSC is doing. “I find it ironic, on the two year anniversary of WannaCry, which leveraged Eternal Blue developed by the NSA,” says Wright. “And here we have a government department identifying the issue and helping to address it: A complete contrast to the WannaCry situation.”
The latest patch Tuesday shows the importance of keeping your software up to date, as well as ensuring that you keep your software on on supported versions where possible in order to get these important updates, says Wright. “Attackers will no doubt be looking at the patch news with a smile since it contains some rather critical vulnerabilities which they no doubt can add to their arsenal. Thankfully in this case, as opposed to the WannaCry instance two years ago, we seem to be a step ahead and better prepared this time.”
Microsoft Event
As part of its May 14 Patch Tuesday, Microsoft is releasing a security fix for several older versions of Windows, including Windows XP and Windows Server 2003 -- neither of which is supported by Microsoft any longer. Officials said a potentially 'wormable' flaw in those systems could result in them being hit by a malware attack like WannaCry.
The vulnerability, CVE-2019-0708, is in remote desktop services (a k a terminal services). To exploit the vulnerability 'an attacker would need to send a specially crafted request to the target systems Remote Desktop Service via RDP,' Microsoft officials noted. The update corrects how Remote Desktop Services handles connection requests.
'The Remote Desktop Protocol (RDP) itself is not vulnerable. This vulnerability is pre-authentication and requires no user interaction. In other words, the vulnerability is 'wormable', meaning that any future malware that exploits this vulnerability could propagate from vulnerable computer to vulnerable computer in a similar way as the WannaCry malware spread across the globe in 2017,' explains Microsoft officials in today's Microsoft Security Response Center (MSRC) blog post.
The vulnerability -- which Microsoft officials said they haven't yet seen exploited -- doesn't affect Windows 8.1 or 10 (or Server variants starting with 2012), but it does affect Windows 7, Windows Server 2008 and 2008 R2, along with the previously mentioned Windows variants. The patches for XP and 2003 are here.
Microsoft occasionally issues patches for Windows variants that are no longer in support, but only when a vulnerability has a strong possibility of rampant exploitation. This practice has resulted in some customers playing Russian roulette when it comes to continuing to run unsupported Windows versions.