Security restrictions bypass in lftp



Published: 2018-08-03
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10916
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		lftp
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:

CVE-ID: CVE-2018-10916

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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.

Mitigation

Update to version 4.8.4.

Vulnerable software versions

lftp: 4.0.0 - 4.8.3

CPE2.3 External links

http://github.com/lavv17/lftp/commit/a27e07d90a4608ceaf928b1babb27d4d803e1992


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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