Vulnerability CVE-2021-44151


Published: 2021-12-13

Description:
An issue was discovered in Reprise RLM 14.2. As the session cookies are small, an attacker can hijack any existing sessions by bruteforcing the 4 hex-character session cookie on the Windows version (the Linux version appears to have 8 characters). An attacker can obtain the static part of the cookie (cookie name) by first making a request to any page on the application (e.g., /goforms/menu) and saving the name of the cookie sent with the response. The attacker can then use the name of the cookie and try to request that same page, setting a random value for the cookie. If any user has an active session, the page should return with the authorized content, when a valid cookie value is hit.

See advisories in our WLB2 database:
Topic
Author
Date
High
Reprise License Manager 14.2 Session Hijacking
Andreas Fyhn And...
08.12.2021

Type:

CWE-384

(Session Fixation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Reprisesoftware -> Reprise license manager 

 References:
http://packetstormsecurity.com/files/165191/Reprise-License-Manager-14.2-Session-Hijacking.html
https://reprisesoftware.com/admin/rlm-admin-download.php?&euagree=yes

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