CVE-2019-19703 : In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.

In Ktor through 1.2.6, the client resends data from the HTTP Authorization header to a redirect location.

Published 2019-12-10 20:15:18

Updated 2019-12-13 21:56:21

Source MITRE

View at NVD, CVE.org

Vulnerability category: Open redirect

Exploit prediction scoring system (EPSS) score for CVE-2019-19703

Probability of exploitation activity in the next 30 days: 0.11%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 42 % EPSS Score History EPSS FAQ

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:N	8.6	4.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

Assigned by: nvd@nist.gov (Primary)

https://github.com/ktorio/ktor/issues/1467

Ktor client resends auth data to redirect location · Issue #1467 · ktorio/ktor · GitHub
Exploit;Issue Tracking;Third Party Advisory

Jetbrains » Ktor
Versions up to, including, (<=) 1.2.6
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