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CVE-2019-7283

Published: 31 January 2019

An issue was discovered in rcp in NetKit through 0.17. For an rcp operation, the server chooses which files/directories are sent to the client. However, the rcp client only performs cursory validation of the object name returned. A malicious rsh server (or Man-in-The-Middle attacker) can overwrite arbitrary files in a directory on the rcp client machine. This is similar to CVE-2019-6111.

Priority

Medium

Cvss 3 Severity Score

7.4

Score breakdown

Status

Package Release Status
netkit-rsh
Launchpad, Ubuntu, Debian
impish Not vulnerable
(0.17-21)
groovy Not vulnerable
(0.17-21)
hirsute Not vulnerable
(0.17-21)
xenial Needed

lunar Not vulnerable
(0.17-21)
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(0.17-21)
jammy Not vulnerable
(0.17-21)
kinetic Not vulnerable
(0.17-21)
trusty Does not exist
(trusty was needed)
upstream
Released (0.17-20)
mantic Not vulnerable
(0.17-21)
Patches:
other: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=920486;filename=fix-CVE-2018-20685-and-CVE-2019-6111.patch;msg=10

Severity score breakdown

Parameter Value
Base score 7.4
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H