CVE-2019-0196: Use After Free
First published: Mon Apr 01 2019(Updated: )
A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request incorrectly.
Credit: security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/jbcs-httpd24-apr | <0:1.6.3-63.jbcs.el6 | 0:1.6.3-63.jbcs.el6 |
| redhat/jbcs-httpd24-apr-util | <0:1.6.1-48.jbcs.el6 | 0:1.6.1-48.jbcs.el6 |
| redhat/jbcs-httpd24-brotli | <0:1.0.6-7.jbcs.el6 | 0:1.0.6-7.jbcs.el6 |
| redhat/jbcs-httpd24-curl | <0:7.64.1-14.jbcs.el6 | 0:7.64.1-14.jbcs.el6 |
| redhat/jbcs-httpd24-httpd | <0:2.4.37-33.jbcs.el6 | 0:2.4.37-33.jbcs.el6 |
| redhat/jbcs-httpd24-jansson | <0:2.11-20.jbcs.el6 | 0:2.11-20.jbcs.el6 |
| redhat/jbcs-httpd24-nghttp2 | <0:1.39.2-4.jbcs.el6 | 0:1.39.2-4.jbcs.el6 |
| redhat/jbcs-httpd24-openssl | <1:1.1.1-25.jbcs.el6 | 1:1.1.1-25.jbcs.el6 |
| redhat/jbcs-httpd24-curl | <0:7.64.1-36.jbcs.el6 | 0:7.64.1-36.jbcs.el6 |
| redhat/jbcs-httpd24-httpd | <0:2.4.37-57.jbcs.el6 | 0:2.4.37-57.jbcs.el6 |
| redhat/jbcs-httpd24-nghttp2 | <0:1.39.2-25.jbcs.el6 | 0:1.39.2-25.jbcs.el6 |
| redhat/jbcs-httpd24-apr | <0:1.6.3-63.jbcs.el7 | 0:1.6.3-63.jbcs.el7 |
| redhat/jbcs-httpd24-apr-util | <0:1.6.1-48.jbcs.el7 | 0:1.6.1-48.jbcs.el7 |
| redhat/jbcs-httpd24-brotli | <0:1.0.6-7.jbcs.el7 | 0:1.0.6-7.jbcs.el7 |
| redhat/jbcs-httpd24-curl | <0:7.64.1-14.jbcs.el7 | 0:7.64.1-14.jbcs.el7 |
| redhat/jbcs-httpd24-httpd | <0:2.4.37-33.jbcs.el7 | 0:2.4.37-33.jbcs.el7 |
| redhat/jbcs-httpd24-jansson | <0:2.11-20.jbcs.el7 | 0:2.11-20.jbcs.el7 |
| redhat/jbcs-httpd24-nghttp2 | <0:1.39.2-4.jbcs.el7 | 0:1.39.2-4.jbcs.el7 |
| redhat/jbcs-httpd24-openssl | <1:1.1.1-25.jbcs.el7 | 1:1.1.1-25.jbcs.el7 |
| redhat/jbcs-httpd24-curl | <0:7.64.1-36.jbcs.el7 | 0:7.64.1-36.jbcs.el7 |
| redhat/jbcs-httpd24-httpd | <0:2.4.37-57.jbcs.el7 | 0:2.4.37-57.jbcs.el7 |
| redhat/jbcs-httpd24-nghttp2 | <0:1.39.2-25.jbcs.el7 | 0:1.39.2-25.jbcs.el7 |
| redhat/jbcs-httpd24-openssl-pkcs11 | <0:0.4.10-7.jbcs.el7 | 0:0.4.10-7.jbcs.el7 |
| Apache HTTP server | >=2.4.17<=2.4.38 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Debian Debian Linux | =9.0 | |
| redhat/httpd | <2.4.39 | 2.4.39 |
| debian/apache2 | 2.4.62-1~deb11u1 2.4.62-1~deb11u2 2.4.62-1~deb12u2 2.4.62-3 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-0196 https://nvd.nist.gov/vuln/detail/CVE-2019-0196 http://www.apache.org/dist/httpd/CHANGES_2.4 https://httpd.apache.org/security/vulnerabilities_24.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1695030
- https://access.redhat.com/errata/RHSA-2019:3932
- https://access.redhat.com/errata/RHSA-2020:2644
- https://access.redhat.com/errata/RHSA-2019:3933
- https://access.redhat.com/errata/RHSA-2020:4751
- https://access.redhat.com/errata/RHSA-2019:3935
- https://access.redhat.com/errata/RHSA-2020:2646
- https://access.redhat.com/security/cve/cve-2019-0196
- 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.apache.org/dist/httpd/CHANGES_2.4.39
- http://www.openwall.com/lists/oss-security/2019/04/02/1
- http://www.securityfocus.com/bid/107669
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/97a1c58e138ed58a364513b58d807a802e72bf6079ff81a10948ef7c@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWRYD6JMEJ6O3JKJZFNOYXMJJU5JMEJK/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTJPHI3E3OKW7OT7COQXVG7DE7IDQ2OT/
- https://seclists.org/bugtraq/2019/Apr/5
- https://security.netapp.com/advisory/ntap-20190617-0002/
- https://support.f5.com/csp/article/K44591505
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us
- https://usn.ubuntu.com/3937-1/
- https://www.debian.org/security/2019/dsa-4422
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us
- https://launchpad.net/bugs/cve/CVE-2019-0196
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/97a1c58e138ed58a364513b58d807a802e72bf6079ff81a10948ef7c%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRYD6JMEJ6O3JKJZFNOYXMJJU5JMEJK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTJPHI3E3OKW7OT7COQXVG7DE7IDQ2OT/
- http://www.apache.org/dist/httpd/CHANGES_2.4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1695046
- http://svn.apache.org/viewvc?view=revision&revision=1852989
- https://github.com/icing/mod_h2/commit/576ed4866e88dfca432b2b92576a7590d6118a79
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1696092
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2019-0196
- https://svn.apache.org/r1852989
- https://security-tracker.debian.org/tracker/CVE-2019-0196
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0196
- https://nvd.nist.gov/vuln/detail/CVE-2019-0196
- https://ubuntu.com/security/CVE-2019-0196
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID of this Apache HTTP Server vulnerability?
The vulnerability ID of this Apache HTTP Server vulnerability is CVE-2019-0196.
What is the severity level of CVE-2019-0196?
The severity level of CVE-2019-0196 is medium.
How does CVE-2019-0196 affect Apache HTTP Server?
CVE-2019-0196 affects Apache HTTP Server versions 2.4.17 to 2.4.38.
How can the Apache HTTP Server vulnerability be fixed?
To fix the Apache HTTP Server vulnerability, upgrade to version 2.4.39 or apply the necessary patches provided by your operating system vendor.
Where can I find more information about CVE-2019-0196?
You can find more information about CVE-2019-0196 on the official Apache HTTP Server website and the reference links provided.
- collector/redhat-cve
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- version/apache http server/2.4.17
- version/apache http server/2.4.38
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/18.10
- vendor/debian
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- version/debian debian linux/9.0
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