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It has been discovered that lftp does not properly sanitize remote file names, leading to a loss of integrity on the local system when reverse mirroring is used. A remote attacker may trick a user to use reverse mirroring on an attacker-controlled FTP server, resulting in the removal of all files in the current working directory of the victim's system.
Improperly sanitized remote file names in lftp, up to version 4.8.3, may lead to a loss of integrity on the local system when reverse mirroring is used. A remote attacker may trick a user to use reverse mirroring on an attacker controlled FTP server, resulting in the removal of all files in the current working directory of the victim' system. Reference: https://github.com/lavv17/lftp/issues/452 Upstream patch: https://github.com/lavv17/lftp/commit/a27e07d90a4608ceaf928b1babb27d4d803e1992