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strongSwan におけるサービス運用妨害 (DoS) の脆弱性
Title strongSwan におけるサービス運用妨害 (DoS) の脆弱性
Summary

strongSwan には、サービス運用妨害 (デーモンクラッシュ) 状態となる脆弱性が存在します。

Possible impacts 第三者により、Key Exchange ペイロード内の大量の NULL 値を伴う IKE_SA_INIT メッセージを介して、GNU Multiprecision Library (GMP) 内の mpz_export 関数のリターン値に対して NULL ポインタデリファレンスを誘発され、サービス運用妨害 (デーモンクラッシュ) 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 Oct. 14, 2008, midnight
Registration Date Dec. 20, 2012, 6:52 p.m.
Last Update Dec. 20, 2012, 6:52 p.m.
CVSS2.0 : 警告
Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected System
strongSwan
strongSwan 4.2.6 およびそれ以前
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
0 [2012年12月20日]
  掲載		 Feb. 17, 2018, 10:37 a.m.
NVD Vulnerability Information
CVE-2008-4551
Summary

strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).

Publication Date Oct. 15, 2008, 5 a.m.
Registration Date Jan. 29, 2021, 1:43 p.m.
Last Update March 8, 2011, 12:12 p.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:strongswan:strongswan:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.4.0a:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.6:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.5.7:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.6.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.6.4:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.6:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.7:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.8:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.9:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.10:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.1.11:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* 4.2.6
Related information, measures and tools
Common Vulnerabilities List