Vulnerability Details : CVE-2019-15955
Potential exploit
An issue was discovered in Total.js CMS 12.0.0. A low privilege user can perform a simple transformation of a cookie to obtain the random values inside it. If an attacker can discover a session cookie owned by an admin, then it is possible to brute force it with O(n)=2n instead of O(n)=n^x complexity, and steal the admin password.
Products affected by CVE-2019-15955
- cpe:2.3:a:totaljs:total.js_cms:12.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-15955
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-15955
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-15955
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
-
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-15955
-
https://github.com/beerpwn/CVE/blob/master/Totaljs_disclosure_report/report_final.pdf
CVE/report_final.pdf at master · beerpwn/CVE · GitHubExploit;Third Party Advisory
-
https://seclists.org/fulldisclosure/2019/Sep/3
Full Disclosure: Totaljs CMS Insecure Admin Session cookieExploit;Mailing List;Third Party Advisory
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