Remote code execution in cURL

Published: 2018-05-22
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1000303
Exploitation vector Network
Public exploit N/A
Vulnerable software
cURL (for delete)
Client/Desktop applications / Other client software

Client/Desktop applications / Other client software


Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Data handling

EUVDB-ID: #VU12889

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1000303

CWE-ID: CWE-19 - Data Handling

Exploit availability: No


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

The weakness exists due to incorrect handling of long FTP server command replies. A remote attacker can trick the victim into connecting to a malicious FTP server and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.


Install update from vendor's website.

Vulnerable software versions

cURL: 7.50.0, 7.50.1, 7.50.2, 7.50.3, 7.51.0, 7.53.1, 7.54.0, 7.54.1, 7.55.0, 7.55.1, 7.56.0, 7.56.1, 7.57.0, 7.58.0, 7.59.0

cURL (for delete): 7.52.0, 7.52.1, 7.53.0

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.