[arch-security] [ASA-201710-12] salt: multiple issues
santiago at archlinux.org
Tue Oct 10 16:15:56 UTC 2017
Arch Linux Security Advisory ASA-201710-12
Date : 2017-10-09
CVE-ID : CVE-2017-14695 CVE-2017-14696
Package : salt
Type : multiple issues
Remote : Yes
Link : https://security.archlinux.org/AVG-438
The package salt before version 2017.7.2-1 is vulnerable to multiple
issues including denial of service and directory traversal.
Upgrade to 2017.7.2-1.
# pacman -Syu "salt>=2017.7.2-1"
The problems have been fixed upstream in version 2017.7.2.
- CVE-2017-14695 (directory traversal)
It has been discovered that maliciously crafted minion IDs can cause
unwanted directory traversals on the salt-master. The flaw is within
the minion id validation which could allow certain minions to
authenticate to a master despite not having the correct credentials. To
exploit the vulnerability, an attacker must create a salt-minion with
an ID containing path seperators that will cause a directory traversal.
- CVE-2017-14696 (denial of service)
It has been discovered that salt incorrectly handled IDs with null
bytes in decoded payloads. A specially crafted authentication request
will crash the application while processing.
An unauthenticated attacker is able to craft a malicious minion ID to
cause a directory traversal on the salt-master or send a specially
crafted authentication request to crash the application.
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