Medium severity · published Dec 26, 2019
CVE-2019-19389
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting
5.4
CVSS
0.8%
EPSS
No
On KEV
Description
JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KT
Ktor · Jetbrains
before 1.2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19389
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19389
Exploit
https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737
Mitigation
https://github.com/ktorio/ktor/pull/1408
Exploit
https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20
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