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【セキュリティ情報】 TXSeries for Multiplatforms OpenSSLの不正なECParameters構造によるサービス運用妨害 (CVE-2015-1788)

Created by Makoto Tomota on
Published URL:
https://www.ibm.com/support/pages/node/537253
537253

Security Bulletin


Summary

OpenSSL に、細工されたバイナリ多項式フィールドにある ECParameters 構造を適切に処理しないため、サービス運用妨害 (無限ループ) 状態を引き起こす脆弱性が存在します。 (CVE-2015-1788)

Vulnerability Details

脆弱性の詳細:

CVEID: CVE-2015-1788


DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error when processing an ECParameters structure over a specially crafted binary polynomial field. A remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103778 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions

影響のある製品・バージョン:

次の製品に影響があります。


・TXSeries for Multiplatforms V7.1, V8.1 and V 8.2

Remediation/Fixes

修正策:

Fix Central 下記のAPARで検索し修正を導入してください。

TXSeries for Multiplatforms 7.1 APAR: IV74872

TXSeries for Multiplatforms 8.1 APAR: IV76073

TXSeries for Multiplatforms 8.2 APAR: IV76078

Workarounds and Mitigations

回避策/軽減策:
なし

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References

Off
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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: Malformed ECParameters causes infinite loop (CVE-2015-1788)

[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

*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:
02 August 2018

UID

swg21966063