NVD Vulnerability Detail

CVE-2015-7756

Summary	The encryption implementation in Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 makes it easier for remote attackers to discover the plaintext content of VPN sessions by sniffing the network for ciphertext data and conducting an unspecified decryption attack.
Publication Date	Dec. 19, 2015, 11:59 p.m.
Registration Date	Jan. 26, 2021, 2:57 p.m.
Last Update	Nov. 21, 2024, 11:37 a.m.

Affected software configurations

Related information, measures and tools

No	URL	タグ
1	http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/
2	http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/
3	http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713	Vendor Advisory
4	http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713	Vendor Advisory
5	http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
6	http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
7	http://www.kb.cert.org/vuls/id/640184
8	http://www.kb.cert.org/vuls/id/640184
9	http://www.securitytracker.com/id/1034489
10	http://www.securitytracker.com/id/1034489
11	http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
12	http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
13	https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
14	https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
15	https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
16	https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
17	https://github.com/hdm/juniper-cve-2015-7755
18	https://github.com/hdm/juniper-cve-2015-7755

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-310	暗号の問題	https://cwe.mitre.org/data/definitions/310.html

JVN Vulnerability Information

Juniper ScreenOS の暗号化の実装における VPN セッションの平文コンテンツを取得される脆弱性

Title	Juniper ScreenOS の暗号化の実装における VPN セッションの平文コンテンツを取得される脆弱性
Summary	Juniper ScreenOS の暗号化の実装には、VPN セッションの平文コンテンツを取得される脆弱性が存在します。
Possible impacts	第三者により、暗号文データのネットワークを傍受され、不特定の暗号解読攻撃を実行されることで、VPN セッションの平文コンテンツを取得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	Dec. 17, 2015, midnight
Registration Date	Dec. 22, 2015, 2:38 p.m.
Last Update	Dec. 22, 2015, 2:38 p.m.

Affected System

ジュニパーネットワークス

ScreenOS 6.2.0r15 から 6.2.0r18

ScreenOS 6.3.0r12 から 6.3.0r20

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-2015-7756	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7756
National Vulnerability Database (NVD)
2	CVE-2015-7756	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-7756

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-310	https://jvndb.jvn.jp/ja/cwe/CWE-310.html

ベンダー情報

No	Name	URL
Juniper Networks
1	IMPORTANT JUNIPER SECURITY ANNOUNCEMENT	https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
Security Bulletin
2	JSA10713	http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713&actp=search

その他

No	Name	URL
JVN
1	JVNVU#94797797	http://jvn.jp/vu/JVNVU94797797/index.html
US-CERT Vulnerability Note
2	VU#640184	https://www.kb.cert.org/vuls/id/640184

Change Log

No	Changed Details	Date of change
0	[2015年12月22日] 掲載	Feb. 17, 2018, 10:37 a.m.