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Vulnerabilities / CVE-2019-3464

critical

CVE-2019-3464

Insufficient sanitization of environment variables passed to rsync can ...

Published Modified CWE 665
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Amazon (high), Ubuntu (medium).

Description

Insufficient sanitization of environment variables passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.13rssh2.3.4-r1
alpine 3.14rssh2.3.4-r1
alpine 3.15rssh2.3.4-r1
alpine 3.16rssh2.3.4-r1
alpine 3.17rssh2.3.4-r1
alpine 3.18rssh2.3.4-r1
alpine 3.19rssh2.3.4-r1
alpine 3.20rssh2.3.4-r1
alpine 3.21rssh2.3.4-r1
alpine 3.22rssh2.3.4-r1
amazon linux 1rssh, rssh-debuginfo2.3.4-15.3.amzn1
debian 8rssh2.3.4-4+deb8u2
Show all 21 entries from 20 sources
SourcePackageFixed in
alpine 3.13rssh2.3.4-r1
alpine 3.14rssh2.3.4-r1
alpine 3.15rssh2.3.4-r1
alpine 3.16rssh2.3.4-r1
alpine 3.17rssh2.3.4-r1
alpine 3.18rssh2.3.4-r1
alpine 3.19rssh2.3.4-r1
alpine 3.20rssh2.3.4-r1
alpine 3.21rssh2.3.4-r1
alpine 3.22rssh2.3.4-r1
amazon linux 1rssh2.3.4-15.3.amzn1
amazon linux 1rssh-debuginfo2.3.4-15.3.amzn1
debian 8rssh2.3.4-4+deb8u2
debian 9rssh2.3.4-5+deb9u2
ubuntu 14.04rssh2.3.4-4+deb8u2ubuntu0.14.04.2
ubuntu 14.04-ESMrssh2.3.4-4+deb8u2ubuntu0.14.04.2
ubuntu 16.04rssh2.3.4-4+deb8u2ubuntu0.16.04.2
ubuntu 16.04-ESMrssh2.3.4-4+deb8u2ubuntu0.16.04.2
ubuntu 18.04rssh2.3.4-7ubuntu0.1
ubuntu 18.04-ESMrssh2.3.4-7ubuntu0.1
ubuntu 18.10rssh2.3.4-8ubuntu0.2

References

All 12 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.