7.5high
CVE-2017-18361
Pylons Colander Denial of Service vulnerability
Also known as GHSA-rv95-4wxj-6fqq, PYSEC-2019-167
Published 7 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 82%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
2.07% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pypi | colander | <1.7.0 | 1.7.0 |
Classification
- Weakness
- CWE-835 Loop with Unreachable Exit Condition
References
- github.com /Pylons/colander/pull/323 · x_refsource_MISC, x_transferred
- github.com /Pylons/colander/issues/290 · x_refsource_MISC, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2017-18361 · advisory
- github.com /Pylons/colander/commit/98805557c10ab5ff3016ed09aa2d48c49b9df40b · web
- github.com /Pylons/colander · package
- github.com /advisories/GHSA-rv95-4wxj-6fqq · advisory
- github.com /pypa/advisory-database/tree/main/vulns/colander/PYSEC-2019-167.yaml · web
Sources
- CVE List: CVE-2017-18361
- GitHub Advisory: GHSA-rv95-4wxj-6fqq
- NVD: CVE-2017-18361
- OSV: PYSEC-2019-167
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