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セキュリティ情報: Apache Commons の脆弱性 (CVE-2015-7450) に対する IBM Sterling External Authentication Server の修正

Created by Koichiro Okamoto on

Security Bulletin


Summary

Javaのデシリアライズ処理に関するApache Commons の脆弱性 (CVE-2015-7450)に対して IBM Sterling External Authentication Server の修正がリリースされています。この事象に対する回避策はございません。

Vulnerability Details

脆弱性の詳細：

CVEID: CVE-2015-7450
DESCRIPTION: Apache Commons Collections could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of data with Java InvokerTransformer class. By sending specially crafted data, an attacker could exploit this vulnerability to execute arbitrary Java code on the system.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107918 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

影響のある製品・バージョン：
IBM Sterling External Authentication Server 2.4.2 から 2.4.2.0 iFix 2 まで
IBM Sterling External Authentication Server 2.4.1 から 2.4.1.8 iFix 6 まで
IBM Sterling External Authentication Server 2.4.0 から 2.4.0.4 iFix 7 まで
IBM Sterling External Authentication Server 2.3.1 から 2.3.1.11 iFix 7 まで

Remediation/Fixes

製品

バージョンAPAR修正の入手方法
IBM Sterling External Authentication Server2.4.2.0IT12342Fix Central
IBM Sterling External Authentication Server2.4.1.8IT12342Fix Central
IBM Sterling External Authentication Server2.4.0.4IT12342Fix Central
IBM Sterling External Authentication Server2.3.1.11IT12342製品サポートにご連絡ください。

Workarounds and Mitigations

回避策/軽減策：

ありません

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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参照情報：

[IBMサイト]
この文書は、米国 IBM 社の資料を翻訳した参考文書です。翻訳元の文書は、以下のリンクよりご参照ください。
Security Bulletin: Vulnerability in Apache Commons affects IBM Sterling External Authentication Server (CVE-2015-7450)


[CVSS情報]
独立行政法人 情報処理推進機構: 共通脆弱性評価システムCVSS概説
JVN iPedia: CVSS計算ソフトウェア日本語版

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

関連情報：
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*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
17 December 2019

UID

swg21971563

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