HTTP Authorization Header Exposure in Ktor Client Software
CVE-2019-19703

6.1MEDIUM

Key Information:

Vendor
Jetbrains
Status
Ktor
Vendor
CVE Published:
10 December 2019

Summary

In Ktor versions up to 1.2.6, an issue exists where the client improperly handles HTTP redirects by resending sensitive data from the HTTP Authorization header to the redirected URL. This behavior could potentially expose user credentials or sensitive authentication tokens to unintended recipients, posing a significant security risk. Affected users should upgrade to the latest version to avoid the vulnerabilities associated with this behavior.

References

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

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.