PT-2019-1910 · Rsync+1 · Rsync+1

Nick Cleaton · Published 2019-02-02 · Updated 2021-07-21 · CVE-2019-3464

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions rsync (affected versions not specified)

Description The issue is related to insufficient sanitization of environment variables passed to rsync, which can bypass restrictions imposed by rssh, a restricted shell. This allows for the execution of arbitrary shell commands. The vulnerability is associated with errors in input validation. Exploitation can enable a remote attacker to execute arbitrary commands.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Initialization

RCE

Weakness Enumeration

CWE-665

CWE-20

Related Identifiers

BDU:2019-01578

CVE-2019-3464

DLA-1660-1

DLA-1660-2

DSA-4382-1

USN-3946-1

Affected Products

Ubuntu

Rsync

References · 27

• https://security.gentoo.org/glsa/202007-29 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-1000018 · Vendor Advisory
• https://usn.ubuntu.com/3946-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-3464 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-3464 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2019-3464 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3946-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01578 · Security Note
• https://osv.dev/vulnerability/DLA-1660-2 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-3464 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-3463 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-3464 · Vendor Advisory