NVD Vulnerability Detail

CVE-2019-0196

Summary	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.
Publication Date	June 12, 2019, 7:29 a.m.
Registration Date	Jan. 26, 2021, 11:37 a.m.
Last Update	Nov. 21, 2024, 1:16 p.m.

CVSS3.0 : MEDIUM
スコア	5.3
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	低

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:apache:http_server::::::::		2.4.17	2.4.38

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:9.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html	Mailing List Patch Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html	Mailing List Patch Third Party Advisory
3	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html	Mailing List Patch Third Party Advisory
4	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html	Mailing List Patch Third Party Advisory
5	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html	Mailing List Patch Third Party Advisory
6	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html	Mailing List Patch Third Party Advisory
7	http://www.apache.org/dist/httpd/CHANGES_2.4.39	Release Notes Vendor Advisory
8	http://www.apache.org/dist/httpd/CHANGES_2.4.39	Release Notes Vendor Advisory
9	http://www.openwall.com/lists/oss-security/2019/04/02/1	Mailing List Mitigation Third Party Advisory
10	http://www.openwall.com/lists/oss-security/2019/04/02/1	Mailing List Mitigation Third Party Advisory
11	http://www.securityfocus.com/bid/107669	Third Party Advisory VDB Entry
12	http://www.securityfocus.com/bid/107669	Third Party Advisory VDB Entry
13	https://access.redhat.com/errata/RHSA-2019:3932
14	https://access.redhat.com/errata/RHSA-2019:3932
15	https://access.redhat.com/errata/RHSA-2019:3933
16	https://access.redhat.com/errata/RHSA-2019:3933
17	https://access.redhat.com/errata/RHSA-2019:3935
18	https://access.redhat.com/errata/RHSA-2019:3935
19	https://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
20	https://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
21	https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
22	https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
23	https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
24	https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
25	https://lists.apache.org/thread.html/97a1c58e138ed58a364513b58d807a802e72bf6079ff81a10948ef7c%40%3Ccvs.httpd.apache.org%3E
26	https://lists.apache.org/thread.html/97a1c58e138ed58a364513b58d807a802e72bf6079ff81a10948ef7c%40%3Ccvs.httpd.apache.org%3E
27	https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%40%3Ccvs.httpd.apache.org%3E
28	https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%40%3Ccvs.httpd.apache.org%3E
29	https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E
30	https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E
31	https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E
32	https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E
33	https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
34	https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E
35	https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
36	https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
37	https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
38	https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
39	https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
40	https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
41	https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E
42	https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org%3E
43	https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
44	https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
45	https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E
46	https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E
47	https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
48	https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
49	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/
50	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/
51	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRYD6JMEJ6O3JKJZFNOYXMJJU5JMEJK/
52	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRYD6JMEJ6O3JKJZFNOYXMJJU5JMEJK/
53	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTJPHI3E3OKW7OT7COQXVG7DE7IDQ2OT/
54	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTJPHI3E3OKW7OT7COQXVG7DE7IDQ2OT/
55	https://seclists.org/bugtraq/2019/Apr/5	Mailing List Third Party Advisory
56	https://seclists.org/bugtraq/2019/Apr/5	Mailing List Third Party Advisory
57	https://security.netapp.com/advisory/ntap-20190617-0002/
58	https://security.netapp.com/advisory/ntap-20190617-0002/
59	https://support.f5.com/csp/article/K44591505	Third Party Advisory
60	https://support.f5.com/csp/article/K44591505	Third Party Advisory
61	https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us
62	https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us
63	https://usn.ubuntu.com/3937-1/	Third Party Advisory
64	https://usn.ubuntu.com/3937-1/	Third Party Advisory
65	https://www.debian.org/security/2019/dsa-4422	Third Party Advisory
66	https://www.debian.org/security/2019/dsa-4422	Third Party Advisory
67	https://www.oracle.com/security-alerts/cpuapr2020.html
68	https://www.oracle.com/security-alerts/cpuapr2020.html
69	https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
70	https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
71	https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
72	https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-416	解放済みメモリの使用	https://cwe.mitre.org/data/definitions/416.html

JVN Vulnerability Information

Apache HTTP Server における解放済みメモリの使用に関する脆弱性

Title	Apache HTTP Server における解放済みメモリの使用に関する脆弱性
Summary	Apache HTTP Server には、解放済みメモリの使用に関する脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	April 1, 2019, midnight
Registration Date	June 20, 2019, 3:50 p.m.
Last Update	June 20, 2019, 3:50 p.m.

Affected System

Apache Software Foundation

Apache HTTP Server 2.4.17 から 2.4.38

Debian

Debian GNU/Linux

Canonical

Ubuntu

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2019-0196	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0196
National Vulnerability Database (NVD)
2	CVE-2019-0196	https://nvd.nist.gov/vuln/detail/CVE-2019-0196

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-416	https://cwe.mitre.org/data/definitions/416.html

ベンダー情報

No	Name	URL
Apache httpd 2.4 vulnerabilities
1	low: mod_http2, read-after-free on a string compare (CVE-2019-0196)	https://httpd.apache.org/security/vulnerabilities_24.html
Apache Mail Archives
2	svn commit: r1046148 - in /websites/production/httpd/content: ./ mail	https://lists.apache.org/thread.html/97a1c58e138ed58a364513b58d807a802e72bf6079ff81a10948ef7c@%3Ccvs.httpd.apache.org%3E
3	svn commit: r1861068 - /httpd/site/trunk/content/security/vulnerabilities-httpd.xml	https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac@%3Ccvs.httpd.apache.org%3E
CHANGELOG
4	CHANGES_2.4.39	http://www.apache.org/dist/httpd/CHANGES_2.4.39
Debian Security Advisory
5	DSA-4422	https://www.debian.org/security/2019/dsa-4422
Ubuntu Security Notice
6	USN-3937-1	https://usn.ubuntu.com/3937-1/

その他

No	Name	URL
関連文書
1	[security-announce] openSUSE-SU-2019:1190-1: important: Security update for apache2	https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html
2	[security-announce] openSUSE-SU-2019:1209-1: important: Security update for apache2	https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html
3	[security-announce] openSUSE-SU-2019:1258-1: important: Security update for apache2	https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html
4	[SECURITY] Fedora 30 Update: httpd-2.4.39-2.fc30	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/
5	[SECURITY] Fedora 30 Update: mod_http2-1.15.0-1.fc30	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTJPHI3E3OKW7OT7COQXVG7DE7IDQ2OT/

Change Log

No	Changed Details	Date of change
1	[2019年06月20日] 掲載	June 20, 2019, 3:50 p.m.