#VU13841 Heap-based buffer overflow in cURL - CVE-2018-0500
Published: July 12, 2018 / Updated: July 12, 2018
Vulnerability identifier: #VU13841
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-0500
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
cURL
cURL
Software vendor:
curl.haxx.se
curl.haxx.se
Description
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
Update to version 7.61.0.