National Vulnerability Database

National Vulnerability Database

National Vulnerability
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    Vulnerabilities Detail

CVE-2019-0197 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.2 MEDIUM
Vector: AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L (V3 legend)
Impact Score: 2.5
Exploitability Score: 1.6

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): Low

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 6.8

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html Mailing List Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html Mailing List Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/02/2 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/107665 Third Party Advisory VDB Entry
https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
https://lists.apache.org/thread.html/e0b8f6e858b1c8ec2ce8e291a2c543d438915037c7af661ab6d33808@%3Cdev.httpd.apache.org%3E Mailing List Release Notes Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20190617-0002/
https://support.f5.com/csp/article/K44591505 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') (CWE-444)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
2.4.17		Up to (including)
2.4.38


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-0197
NVD Published Date:
06/11/2019
NVD Last Modified:
06/17/2019