SB2017111419 - Multiple vulnerabilities in Microsoft Windows
Published: November 14, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 9 vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2017-11851)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists due to an error in win32k.sys driver, when the Windows GDI component improperly discloses kernel memory addresses. A local user can obtain potentially sensitive information.
2) Information disclosure (CVE-ID: CVE-2017-11842)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to an error when the Windows kernel fails to properly initialize a memory address. A local user can obtain potentially sensitive information.
3) Buffer overflow (CVE-ID: CVE-2017-11847)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to elevate privileges on the system.
The vulnerability exists due to boundary error when the Windows kernel fails to properly handle objects in memory. A local unprivileged user can execute a specially crafted application and gain elevated privileges on the vulnerable system.
4) Informatoin disclosure (CVE-ID: CVE-2017-11849)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to an error when the Windows kernel fails to properly initialize a memory address. A local user can obtain potentially sensitive information.
5) Information disclosure (CVE-ID: CVE-2017-11853)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to an error when the Windows kernel fails to properly initialize a memory address. A local user can obtain potentially sensitive information.
6) Information disclosure (CVE-ID: CVE-2017-11880)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to an error when the Windows kernel improperly initializes objects in memory. A local user can obtain potentially sensitive information.
7) Information disclosure (CVE-ID: CVE-2017-11831)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to an error when the Windows kernel fails to properly initialize a memory address.. A local user can obtain potentially sensitive information.
8) Out-of-bounds read (CVE-ID: CVE-2017-11852)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to a boundary error in win32k.sys driver when the Windows GDI component improperly discloses kernel memory addresses. A local user can obtain potentially sensitive information.
9) Out-of-bounds read (CVE-ID: CVE-2017-11850)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to obtain potentially sensitive information.
The vulnerability exists due to boundary error when the Microsoft Windows Graphics Component improperly handles objects in memory. A local user can obtain potentially sensitive information.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11851
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11842
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11847
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11849
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11853
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11880
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11831
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11852
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11850