CVE-2018-5764

rsync: sanitization bypass in parse_argument in options.c

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Severity

Moderate

Red Hat Product Security

6.3

CVSS 3.0

Review impact separately from score.

Published · January 17, 2018

Updated · November 22, 2025

Description

The parse_arguments function in options.c in rsyncd in rsync before 3.1.3 does not prevent multiple --protect-args uses, which allows remote attackers to bypass an argument-sanitization protection mechanism.

Statement

This issue affects the versions of rsync as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 6.3
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')