NVD Vulnerability Detail

CVE-2019-20919

Summary	An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.
Publication Date	Sept. 18, 2020, 3:15 a.m.
Registration Date	Jan. 26, 2021, 11:41 a.m.
Last Update	Nov. 21, 2024, 1:39 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:a:perl:dbi::::::::					1.643

Configuration2		or higher	or less	more than	less than
cpe:2.3:o:fedoraproject:fedora:31:::::::*

Configuration3	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:12.04::::-:::

Configuration4		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/2020-10/msg00012.html	Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html	Mailing List Third Party Advisory
3	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html	Mailing List Third Party Advisory
4	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html	Mailing List Third Party Advisory
5	https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff	Patch Third Party Advisory
6	https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff	Patch Third Party Advisory
7	https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html	Mailing List Third Party Advisory
8	https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html	Mailing List Third Party Advisory
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
11	https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...	Third Party Advisory
12	https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...	Third Party Advisory
13	https://usn.ubuntu.com/4534-1/	Third Party Advisory
14	https://usn.ubuntu.com/4534-1/	Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-476	NULL ポインタデリファレンス	https://cwe.mitre.org/data/definitions/476.html

JVN Vulnerability Information

Perl 用 DBI モジュールにおける未チェックの戻り値に関する脆弱性

Title	Perl 用 DBI モジュールにおける未チェックの戻り値に関する脆弱性
Summary	Perl 用 DBI モジュールには、未チェックの戻り値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	July 31, 2019, midnight
Registration Date	March 23, 2021, 3:51 p.m.
Last Update	March 23, 2021, 3:51 p.m.

Affected System

The Perl Foundation

Perl DBI 1.643 未満

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-2019-20919	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20919
National Vulnerability Database (NVD)
2	CVE-2019-20919	https://nvd.nist.gov/vuln/detail/CVE-2019-20919

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-252	https://cwe.mitre.org/data/definitions/252.html

ベンダー情報

No	Name	URL
GitHub
1	Fix a NULL profile dereference in dbi_profile()	https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff

Change Log

No	Changed Details	Date of change
1	[2021年03月23日] 掲載	March 23, 2021, 3:51 p.m.