NVD Vulnerability Detail

CVE-2019-6690

Summary	python-gnupg 0.4.3 allows context-dependent attackers to trick gnupg to decrypt other ciphertext than intended. To perform the attack, the passphrase to gnupg must be controlled by the adversary and the ciphertext should be trusted. Related to a "CWE-20: Improper Input Validation" issue affecting the affect functionality component.
Publication Date	March 22, 2019, 1:01 a.m.
Registration Date	Jan. 26, 2021, 11:44 a.m.
Last Update	Nov. 21, 2024, 1:46 p.m.

CVSS3.1 : HIGH
スコア	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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)	高
可用性への影響(A)	なし

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:P/A:N
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)	低
可用性への影響(A)	なし
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:python:python-gnupg:0.4.3:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:o:opensuse:leap:15.0:::::::*

Configuration4		or higher	or less	more than	less than
cpe:2.3:a:suse:backports:-:::::::*
execution environment
1	cpe:2.3:o:suse:linux_enterprise:15.0:::::::*

Configuration5	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:18.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:19.04:::::::*

Related information, measures and tools

No	URL	タグ
1	http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html	Mailing List Third Party Advisory
2	http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html	Mailing List Third Party Advisory
3	http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.html	Third Party Advisory VDB Entry
4	http://www.securityfocus.com/bid/106756	Broken Link
5	https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/	Third Party Advisory
6	https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html	Mailing List Third Party Advisory
7	https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html	Mailing List Third Party Advisory
8	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/
9	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/
10	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/
11	https://pypi.org/project/python-gnupg/#history	Product Third Party Advisory
12	https://seclists.org/bugtraq/2019/Jan/41	Mailing List Third Party Advisory
13	https://usn.ubuntu.com/3964-1/	Third Party Advisory
14	http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html	Mailing List Third Party Advisory
15	https://usn.ubuntu.com/3964-1/	Third Party Advisory
16	https://seclists.org/bugtraq/2019/Jan/41	Mailing List Third Party Advisory
17	https://pypi.org/project/python-gnupg/#history	Product Third Party Advisory
18	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/
19	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/
20	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/
21	https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html	Mailing List Third Party Advisory
22	https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html	Mailing List Third Party Advisory
23	https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/	Third Party Advisory
24	http://www.securityfocus.com/bid/106756	Broken Link
25	http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.html	Third Party Advisory VDB Entry
26	http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html	Mailing List Third Party Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

python-gnupg における入力確認に関する脆弱性

Title	python-gnupg における入力確認に関する脆弱性
Summary	python-gnupg には、入力確認に関する脆弱性が存在します。
Possible impacts	情報を改ざん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	Jan. 24, 2019, midnight
Registration Date	May 8, 2019, 6:17 p.m.
Last Update	May 8, 2019, 6:17 p.m.

Affected System

Debian

Debian GNU/Linux

Canonical

Ubuntu

SUSE

Backports

openSUSE project

openSUSE Leap

Vinay Sajip

python-gnupg 0.4.3

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-2019-6690	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6690
National Vulnerability Database (NVD)
2	CVE-2019-6690	https://nvd.nist.gov/vuln/detail/CVE-2019-6690

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Debian
1	[SECURITY] [DLA 1675-1] python-gnupg security update	https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html
opensuse-security-announce
2	openSUSE-SU-2019:0143-1	http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html
3	openSUSE-SU-2019:0239-1	http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html
python
4	python-gnupg 0.4.4	https://pypi.org/project/python-gnupg/#history
Ubuntu Security Notice
5	USN-3964-1	https://usn.ubuntu.com/3964-1/

Change Log

No	Changed Details	Date of change
1	[2019年05月08日] 掲載	May 8, 2019, 6:17 p.m.