var-201711-0420
Vulnerability from variot
An issue was discovered in certain Apple products. macOS High Sierra before Security Update 2017-001 is affected. The issue involves the "Directory Utility" component. It allows attackers to obtain administrator access without a password via certain interactions involving entry of the root user name. Apple macOS High Sierra Is "root" There are authentication bypass issues for accounts and other disabled accounts. Authenticated users can obtain root privileges. User name by default "root" Exists in a disabled account. macOS If you perform an operation that requires administrator privileges, you will be asked to enter credentials for an account with administrator privileges. "root" And an empty password, 1 It looks like login failed on the second input, "root" Your account will be activated and you will be able to log in without a password. Then 2 If you enter the same authentication information the second time "root" You can use the account. A locally logged-in user or SSH Once this operation is performed by the logged-in user, "root" Note that account authentication is enabled. Note that even if you intend only to confirm this vulnerability, the account will become valid if you perform any operation.A user who logs in to the system without a password "root" May get permission. "root" If your account is activated, OS Provided by "Screen Sharing" And "Remote Management" It may be used for authentication of remote management functions such as. Apple macOS is prone to an authentication-bypass vulnerability. An attacker can exploit this issue to bypass authentication mechanism and perform unauthorized actions. This may lead to further attacks. Apple macOS version 10.13.1 is vulnerable. CVE-2017-13872 Entry updated November 29, 2017
To confirm that your Mac has Security Update 2017-001: 1. Open the Terminal app, which is in the Utilities folder of your Applications folder. 2. Type "what /usr/libexec/opendirectoryd" and press Return. 3. CVE-2017-9798
curl Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: Malicious FTP servers may be able to cause the client to read out-of-bounds memory Description: An out-of-bounds read issue existed in the FTP PWD response parsing. This issue was addressed with improved bounds checking. This was addressed with improved credential validation. CVE-2017-13872
Intel Graphics Driver Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13883: an anonymous researcher
Intel Graphics Driver Available for: macOS High Sierra 10.13.1 Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed through improved input validation. CVE-2017-13878: Ian Beer of Google Project Zero
Intel Graphics Driver Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: An out-of-bounds read was addressed through improved bounds checking. CVE-2017-13875: Ian Beer of Google Project Zero
IOAcceleratorFamily Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13844: found by IMF developed by HyungSeok Han (daramg.gift) of SoftSec, KAIST (softsec.kaist.ac.kr)
IOKit Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with system privileges Description: An input validation issue existed in the kernel. This issue was addressed through improved input validation. CVE-2017-13848: Alex Plaskett of MWR InfoSecurity CVE-2017-13858: an anonymous researcher
IOKit Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to execute arbitrary code with system privileges Description: Multiple memory corruption issues were addressed through improved state management. CVE-2017-13847: Ian Beer of Google Project Zero
Kernel Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13862: Apple
Kernel Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to read restricted memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2017-13833: Brandon Azad
Kernel Available for: macOS High Sierra 10.13.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13876: Ian Beer of Google Project Zero
Kernel Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to read restricted memory Description: A type confusion issue was addressed with improved memory handling. CVE-2017-13855: Jann Horn of Google Project Zero
Kernel Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2017-13867: Ian Beer of Google Project Zero
Kernel Available for: macOS High Sierra 10.13.1 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13865: Ian Beer of Google Project Zero
Kernel Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2017-13868: Brandon Azad CVE-2017-13869: Jann Horn of Google Project Zero
Mail Available for: macOS High Sierra 10.13.1 Impact: A S/MIME encrypted email may be inadvertently sent unencrypted if the receiver's S/MIME certificate is not installed Description: An inconsistent user interface issue was addressed with improved state management. CVE-2017-13871: an anonymous researcher
Mail Drafts Available for: macOS High Sierra 10.13.1 Impact: An attacker with a privileged network position may be able to intercept mail Description: An encryption issue existed with S/MIME credetials. The issue was addressed with additional checks and user control. CVE-2017-13860: Michael Weishaar of INNEO Solutions GmbH
OpenSSL Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Capitan 10.11.6 Impact: An application may be able to read restricted memory Description: An out-of-bounds read issue existed in X.509 IPAddressFamily parsing. This issue was addressed with improved bounds checking. CVE-2017-3735: found by OSS-Fuzz
Screen Sharing Server Available for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6 Impact: A user with screen sharing access may be able to access any file readable by root Description: A permissions issue existed in the handling of screen sharing sessions. This issue was addressed with improved permissions handling. CVE-2017-13826: Trevor Jacques of Toronto
Installation note:
macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/
Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222
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"data": "An issue was discovered in certain Apple products. macOS High Sierra before Security Update 2017-001 is affected. The issue involves the \"Directory Utility\" component. It allows attackers to obtain administrator access without a password via certain interactions involving entry of the root user name. Apple macOS High Sierra Is \"root\" There are authentication bypass issues for accounts and other disabled accounts. Authenticated users can obtain root privileges. User name by default \"root\" Exists in a disabled account. macOS If you perform an operation that requires administrator privileges, you will be asked to enter credentials for an account with administrator privileges. \"root\" And an empty password, 1 It looks like login failed on the second input, \"root\" Your account will be activated and you will be able to log in without a password. Then 2 If you enter the same authentication information the second time \"root\" You can use the account. A locally logged-in user or SSH Once this operation is performed by the logged-in user, \"root\" Note that account authentication is enabled. Note that even if you intend only to confirm this vulnerability, the account will become valid if you perform any operation.A user who logs in to the system without a password \"root\" May get permission. \"root\" If your account is activated, OS Provided by \"Screen Sharing\" And \"Remote Management\" It may be used for authentication of remote management functions such as. Apple macOS is prone to an authentication-bypass vulnerability. \nAn attacker can exploit this issue to bypass authentication mechanism and perform unauthorized actions. This may lead to further attacks. \nApple macOS version 10.13.1 is vulnerable. \nCVE-2017-13872\nEntry updated November 29, 2017\n\nTo confirm that your Mac has Security Update 2017-001:\n1. Open the Terminal app, which is in the Utilities folder of your\nApplications folder. \n2. Type \"what /usr/libexec/opendirectoryd\" and press Return. \n3. \nCVE-2017-9798\n\ncurl\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: Malicious FTP servers may be able to cause the client to read\nout-of-bounds memory\nDescription: An out-of-bounds read issue existed in the FTP PWD\nresponse parsing. This issue was addressed with improved bounds\nchecking. \nThis was addressed with improved credential validation. \nCVE-2017-13872\n\nIntel Graphics Driver\nAvailable for: macOS High Sierra 10.13.1\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-13883: an anonymous researcher\n\nIntel Graphics Driver\nAvailable for: macOS High Sierra 10.13.1\nImpact: A local user may be able to cause unexpected system\ntermination or read kernel memory\nDescription: An out-of-bounds read issue existed that led to the\ndisclosure of kernel memory. This was addressed through improved\ninput validation. \nCVE-2017-13878: Ian Beer of Google Project Zero\n\nIntel Graphics Driver\nAvailable for: macOS High Sierra 10.13.1\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: An out-of-bounds read was addressed through improved\nbounds checking. \nCVE-2017-13875: Ian Beer of Google Project Zero\n\nIOAcceleratorFamily\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-13844: found by IMF developed by HyungSeok Han (daramg.gift)\nof SoftSec, KAIST (softsec.kaist.ac.kr)\n\nIOKit\nAvailable for: macOS High Sierra 10.13.1\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: An input validation issue existed in the kernel. This\nissue was addressed through improved input validation. \nCVE-2017-13848: Alex Plaskett of MWR InfoSecurity\nCVE-2017-13858: an anonymous researcher\n\nIOKit\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: Multiple memory corruption issues were addressed through\nimproved state management. \nCVE-2017-13847: Ian Beer of Google Project Zero\n\nKernel\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-13862: Apple\n\nKernel\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to read restricted memory\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2017-13833: Brandon Azad\n\nKernel\nAvailable for: macOS High Sierra 10.13.1\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-13876: Ian Beer of Google Project Zero\n\nKernel\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to read restricted memory\nDescription: A type confusion issue was addressed with improved\nmemory handling. \nCVE-2017-13855: Jann Horn of Google Project Zero\n\nKernel\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: A malicious application may be able to execute arbitrary\ncode with kernel privileges\nDescription: A memory corruption issue was addressed with improved\nmemory handling. \nCVE-2017-13867: Ian Beer of Google Project Zero\n\nKernel\nAvailable for: macOS High Sierra 10.13.1\nImpact: An application may be able to read restricted memory\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2017-13865: Ian Beer of Google Project Zero\n\nKernel\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to read restricted memory\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2017-13868: Brandon Azad\nCVE-2017-13869: Jann Horn of Google Project Zero\n\nMail\nAvailable for: macOS High Sierra 10.13.1\nImpact: A S/MIME encrypted email may be inadvertently sent\nunencrypted if the receiver\u0027s S/MIME certificate is not installed\nDescription: An inconsistent user interface issue was addressed with\nimproved state management. \nCVE-2017-13871: an anonymous researcher\n\nMail Drafts\nAvailable for: macOS High Sierra 10.13.1\nImpact: An attacker with a privileged network position may be able to\nintercept mail\nDescription: An encryption issue existed with S/MIME credetials. The\nissue was addressed with additional checks and user control. \nCVE-2017-13860: Michael Weishaar of INNEO Solutions GmbH\n\nOpenSSL\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X\nEl Capitan 10.11.6\nImpact: An application may be able to read restricted memory\nDescription: An out-of-bounds read issue existed in\nX.509 IPAddressFamily parsing. This issue was addressed with improved\nbounds checking. \nCVE-2017-3735: found by OSS-Fuzz\n\nScreen Sharing Server\nAvailable for: macOS High Sierra 10.13.1, macOS Sierra 10.12.6\nImpact: A user with screen sharing access may be able to access any\nfile readable by root\nDescription: A permissions issue existed in the handling of screen\nsharing sessions. 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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.