SB2017051004 - Information disclosure in Microsoft Windows Kernel

Description

This security bulletin contains information about 4 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2017-0175)

CWE-ID: CWE-119 - Memory corruption

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 attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper handling of objects in memory by Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

2) Information disclosure (CVE-ID: CVE-2017-0220)

CWE-ID: CWE-119 - Memory corruption

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 attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper handling of objects in memory by Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

3) Information disclosure (CVE-ID: CVE-2017-0258)

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 attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper handling of objects in memory by Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

4) Information disclosure (CVE-ID: CVE-2017-0259)

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 attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper handling of objects in memory by Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0175
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0220
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0258
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0259