SB2018082209 - Multiple vulnerabilities in Node.js
Published: August 22, 2018 Updated: August 23, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Information disclosure (CVE-ID: CVE-2018-7166)
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 attacker to obtain potentially sensitive information.
The vulnerability exists due to the Buffer.alloc() function of the affected software returns uninitialized memory. A local attacker can submit malicious arguments to the Buffer.alloc() function and cause a targeted system to return uncleared memory blocks that hold sensitive information.
2) Out-of-bounds write (CVE-ID: CVE-2018-12115)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to an out-of-bounds write condition in the Buffer component when used with UCS-2 encoding. A local attacker can cause a targeted system to stop functioning or execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.