SB2019011817 - Use-after-free error in py-openssl (Alpine package)



SB2019011817 - Use-after-free error in py-openssl (Alpine package)

Published: January 18, 2019

Security Bulletin ID SB2019011817
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 security vulnerability.


1) Use-after-free error (CVE-ID: CVE-2018-1000807)

The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during improper handling of X509 objects. A remote unauthenticated attacker can send a specially crafted request that submits malicious input, trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


Remediation

Install update from vendor's website.