SB2018071007 - Multiple vulnerabilities in Microsoft ChakraCore
Published: July 10, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 12 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2018-8283)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the ChakraCore scripting engine handles objects in memory. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Memory corruption (CVE-ID: CVE-2018-8298)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the ChakraCore scripting engine handles objects in memory. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Memory corruption (CVE-ID: CVE-2018-8275)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Microsoft Edge improperly accesses objects in memory. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Security restrictions bypass (CVE-ID: CVE-2018-8276)
The vulnerability allows a local attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper handling of accessing memory by the Microsoft Chakra scripting engine. A local attacker can run the Microsoft Chakra scripting engine, browse to a malicious website and bypass Control Flow Guard (CFG).
5) Memory corruption (CVE-ID: CVE-2018-8279)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Microsoft Edge improperly accesses objects in memory. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Memory corruption (CVE-ID: CVE-2018-8280)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Chakra scripting engine handles objects in memory in Microsoft Edge. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
7) Memory corruption (CVE-ID: CVE-2018-8286)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Chakra scripting engine handles objects in memory in Microsoft Edge. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
8) Memory corruption (CVE-ID: CVE-2018-8287)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the scripting engine handles objects in memory in Microsoft browsers. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
9) Memory corruption (CVE-ID: CVE-2018-8288)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the scripting engine handles objects in memory in Microsoft browsers. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
10) Memory corruption (CVE-ID: CVE-2018-8290)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the Chakra scripting engine handles objects in memory in Microsoft Edge. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
11) Memory corruption (CVE-ID: CVE-2018-8291)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the scripting engine handles objects in memory in Microsoft browsers. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
12) Memory corruption (CVE-ID: CVE-2018-8294)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when the Chakra scripting engine handles objects in memory in Microsoft Edge. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8283
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8275
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8276
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8279
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8280
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8286
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8287
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8288
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8290
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8291
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8294