// For flags

CVE-2019-0197

httpd: mod_http2: possible crash on late upgrade

Severity Score

4.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Una vulnerabilidad fue encontrada en Apache HTTP Server 2.4.34 hasta 2.4.38 y clasificada como problemática. Cuando se habilitó HTTP / 2 para un http: host o H2Upgrade se habilitó para h2 en un https: host, una solicitud de actualización de http / 1.1 a http / 2 que no fue la primera solicitud en una conexión podría provocar una mala configuración y un fallo. El servidor que nunca habilitó el protocolo h2 o que solo lo habilitó para https: y no configuró "H2Upgrade en " no se ve afectado por este problema.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-11-14 CVE Reserved
  • 2019-06-11 CVE Published
  • 2024-06-04 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CAPEC
References (32)
URL Tag Source
http://www.openwall.com/lists/oss-security/2019/04/02/2 Mailing List
http://www.securityfocus.com/bid/107665 Third Party Advisory
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/e0b8f6e858b1c8ec2ce8e291a2c543d438915037c7af661ab6d33808%40%3Cdev.httpd.apache.org%3E X_refsource_misc
https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E Mailing List
https://security.netapp.com/advisory/ntap-20190617-0002 Third Party Advisory
https://support.f5.com/csp/article/K44591505 Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
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Jboss Core Services
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1.0
Search vendor "Redhat" for product "Jboss Core Services" and version "1.0"
-
Affected
in Redhat
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Enterprise Linux
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6.0
Search vendor "Redhat" for product "Enterprise Linux" and version "6.0"
-
Safe
Redhat
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Jboss Core Services
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1.0
Search vendor "Redhat" for product "Jboss Core Services" and version "1.0"
-
Affected
in Redhat
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Enterprise Linux
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7.0
Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"
-
Safe
Apache
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Http Server
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>= 2.4.34 <= 2.4.38
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-
Affected
Canonical
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Ubuntu Linux
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16.04
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esm
Affected
Canonical
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Ubuntu Linux
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18.04
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lts
Affected
Canonical
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Ubuntu Linux
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19.04
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-
Affected
Fedoraproject
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Fedora
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30
Search vendor "Fedoraproject" for product "Fedora" and version "30"
-
Affected
Opensuse
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Leap
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15.0
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-
Affected
Opensuse
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Leap
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42.3
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-
Affected
Oracle
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Communications Session Report Manager
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8.0.0
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-
Affected
Oracle
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Communications Session Report Manager
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8.1.0
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-
Affected
Oracle
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Communications Session Report Manager
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8.1.1
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-
Affected
Oracle
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Communications Session Report Manager
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8.2.0
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-
Affected
Oracle
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Communications Session Route Manager
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8.0.0
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-
Affected
Oracle
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Communications Session Route Manager
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8.1.0
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-
Affected
Oracle
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Communications Session Route Manager
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8.1.1
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-
Affected
Oracle
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Communications Session Route Manager
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8.2.0
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-
Affected
Oracle
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Enterprise Manager Ops Center
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12.3.3
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Affected
Oracle
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Enterprise Manager Ops Center
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12.4.0
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-
Affected
Oracle
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Http Server
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12.2.1.3.0
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-
Affected
Oracle
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Instantis Enterprisetrack
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17.1
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-
Affected
Oracle
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Instantis Enterprisetrack
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17.2
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-
Affected
Oracle
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Instantis Enterprisetrack
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17.3
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-
Affected
Oracle
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Retail Xstore Point Of Service
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7.0
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-
Affected
Oracle
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Retail Xstore Point Of Service
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7.1
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-
Affected