Vulnerability CVE-2019-0197
Published: 2019-06-11   Modified: 2019-06-12

Description:
A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2 that was not the first request on a connection could lead to a misconfiguration and crash. Server that never enabled the h2 protocol or that only enabled it for https: and did not set "H2Upgrade on" are unaffected by this issue.

Type:

CWE-444

 (Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
4.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Apache -> Http server 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html
http://www.openwall.com/lists/oss-security/2019/04/02/2
http://www.securityfocus.com/bid/107665
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/e0b8f6e858b1c8ec2ce8e291a2c543d438915037c7af661ab6d33808@%3Cdev.httpd.apache.org%3E
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/
https://security.netapp.com/advisory/ntap-20190617-0002/
https://support.f5.com/csp/article/K44591505
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