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Asterisk Open Source および Business Edition におけるサービス運用妨害 (DoS) の脆弱性
Title Asterisk Open Source および Business Edition におけるサービス運用妨害 (DoS) の脆弱性
Summary

Asterisk Open Source および Business Edition は、詳細解析が有効になっている際、ast_uri_decode 関数の呼び出しおよび (1) 空の定数文字列および (2) NULL ポインタの処理に不備があるため、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、From ヘッダが欠落した SIP INVITE メッセージを介して、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 May 8, 2008, midnight
Registration Date June 26, 2012, 4:02 p.m.
Last Update June 26, 2012, 4:02 p.m.
CVSS2.0 : 警告
Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected System
Digium
Asterisk Business Edition A.x.x および B.2.5.3 未満の B.x.x
Asterisk Open Source 1.0.x および 1.2.29 未満の 1.2.x
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06月26日]
  掲載		 Feb. 17, 2018, 10:37 a.m.
NVD Vulnerability Information
CVE-2008-2119
Summary

Asterisk Open Source 1.0.x and 1.2.x before 1.2.29 and Business Edition A.x.x and B.x.x before B.2.5.3, when pedantic parsing (aka pedanticsipchecking) is enabled, allows remote attackers to cause a denial of service (daemon crash) via a SIP INVITE message that lacks a From header, related to invocations of the ast_uri_decode function, and improper handling of (1) an empty const string and (2) a NULL pointer.

Publication Date June 5, 2008, 4:32 a.m.
Registration Date Jan. 29, 2021, 1:36 p.m.
Last Update Oct. 12, 2018, 5:39 a.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:* b2.5.2
cpe:2.3:a:asterisk:open_source:1.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.11.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.12:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.0beta1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.0beta2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.12:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.12.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.13:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.16:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.17:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.18:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.19:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.20:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.21:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.21.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.22:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.23:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.24:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.25:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.26:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.26.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.26.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.2.27:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:* 1.2.28
Related information, measures and tools
Common Vulnerabilities List