SB2018071135 - Fedora 28 update for curl



SB2018071135 - Fedora 28 update for curl

Published: July 11, 2018 Updated: April 24, 2025

Security Bulletin ID SB2018071135
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) Heap-based buffer overflow (CVE-ID: CVE-2018-0500)

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

The vulnerability exists in curl_smtp_escape_eob in lib/smtp.c due to heap-based buffer overflow when a system invokes curl to send data via SMTP and uses a reduced read buffer. A remote unauthenticated attacker can trigger memory corruption and cause the service to crash or execute arbitrary data with elevated privileges.

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


Remediation

Install update from vendor's website.