Vulnerability CVE-2017-16613


Published: 2017-11-21

Description:
An issue was discovered in middleware.py in OpenStack Swauth through 1.2.0 when used with OpenStack Swift through 2.15.1. The Swift object store and proxy server are saving (unhashed) tokens retrieved from the Swauth middleware authentication mechanism to a log file as part of a GET URI. This allows attackers to bypass authentication by inserting a token into an X-Auth-Token header of a new request. NOTE: github.com/openstack/swauth URLs do not mean that Swauth is maintained by an official OpenStack project team.

Type:

CWE-287

(Improper Authentication)

Vendor: Debian
Product: Debian linux 
Version: 9.0;
Vendor: Openstack
Product: Swift 
Version: 2.15.1;
Product: Swauth 
Version: 1.2.0;

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://www.securityfocus.com/bid/101926
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882314
https://bugs.launchpad.net/swift/+bug/1655781
https://github.com/openstack/swauth/commit/70af7986265a3defea054c46efc82d0698917298
https://www.debian.org/security/2017/dsa-4044

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