ALAS2-2020-1453


Amazon Linux 2 Security Advisory: ALAS-2020-1453
Advisory Release Date: 2020-07-14 02:35 Pacific
Advisory Updated Date: 2020-07-17 00:46 Pacific
Severity: Medium

Issue Overview:

It has been discovered that lftp up to and including version 4.8.3 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. (CVE-2018-10916)


Affected Packages:

lftp


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update lftp to update your system.

New Packages:
aarch64:
    lftp-4.4.8-12.amzn2.1.aarch64
    lftp-debuginfo-4.4.8-12.amzn2.1.aarch64

i686:
    lftp-4.4.8-12.amzn2.1.i686
    lftp-debuginfo-4.4.8-12.amzn2.1.i686

noarch:
    lftp-scripts-4.4.8-12.amzn2.1.noarch

src:
    lftp-4.4.8-12.amzn2.1.src

x86_64:
    lftp-4.4.8-12.amzn2.1.x86_64
    lftp-debuginfo-4.4.8-12.amzn2.1.x86_64