Vulnerability Details : CVE-2017-18361
Potential exploit
In Pylons Colander through 1.6, the URL validator allows an attacker to potentially cause an infinite loop thereby causing a denial of service via an unclosed parenthesis.
Vulnerability category: Denial of service
Products affected by CVE-2017-18361
- cpe:2.3:a:pylonsproject:colander:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18361
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18361
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-18361
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18361
-
https://github.com/Pylons/colander/issues/290
Unclosed parenthesis in URL causes infinite loop · Issue #290 · Pylons/colander · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://github.com/Pylons/colander/pull/323
Fix: url validator by bertjwregeer · Pull Request #323 · Pylons/colander · GitHubPatch;Third Party Advisory
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