SB2018100816 - Out-of-bounds write in libx11 (Alpine package)

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Main Vulnerability Database SB2018100816

SB2018100816 - Out-of-bounds write in libx11 (Alpine package)

Published: October 8, 2018

Security Bulletin ID SB2018100816
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2018-14600)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to out-of-bounds write when handling malicious input. A remote unauthenticated attacker can trick the victim into opening a specially crafted data, trigger memory corruption and execute arbitrary code on the target X client.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References