Security restrictions bypass in lftp

Published: 2018-08-03
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10916
Exploitation vector Network
Public exploit N/A
Vulnerable software
Client/Desktop applications / File managers, FTP clients

Vendor lftp

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security restrictions bypass

EUVDB-ID: #VU14187

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10916

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No


The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to improper sanitization of remote file names. A remote unauthenticated attacker can trick the victim into using reverse mirroring on an attacker controlled FTP server bypass security restrictions and remove all files in the current working directory of the victim's system.


Update to version 4.8.4.

Vulnerable software versions

lftp: 4.0.0 - 4.8.3

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.