CVE编号
CVE-2009-0021利用情况
暂无补丁情况
官方补丁披露时间
2009-01-08漏洞描述
4.2.4p5之前的NTP 4.2.4和4.2.5p150之前的4.2.5没有正确检查OpenSSL EVP_VerifyFinal函数的返回值，这允许远程攻击者通过DSA 和 ECDSA key的格式错误的SSL / TLS签名绕过证书链的验证。这是与CVE-2008-5077类似的漏洞。解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| http://lists.apple.com/archives/security-announce/2009/May/msg00002.html | |
| http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00000.html | |
| http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html | |
| http://secunia.com/advisories/33406 | |
| http://secunia.com/advisories/33558 | |
| http://secunia.com/advisories/33648 | |
| http://secunia.com/advisories/34642 | |
| http://secunia.com/advisories/35074 | |
| http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackw... | |
| http://support.apple.com/kb/HT3549 | |
| http://www.ocert.org/advisories/ocert-2008-016.html | |
| http://www.redhat.com/support/errata/RHSA-2009-0046.html | |
| http://www.securityfocus.com/archive/1/499827/100/0/threaded | |
| http://www.securitytracker.com/id?1021533 | |
| http://www.us-cert.gov/cas/techalerts/TA09-133A.html | |
| http://www.vupen.com/english/advisories/2009/0042 | |
| http://www.vupen.com/english/advisories/2009/1297 | |
| https://lists.ntp.org/pipermail/announce/2009-January/000055.html | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova... |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | ntp | ntp | * |
Up to (including) 4.2.4p4 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | ntp | ntp | 4.2.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ntp | ntp | 4.2.2 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ntp | ntp | 4.2.4p1 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ntp | ntp | 4.2.4p2 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | ntp | ntp | 4.2.4p3 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_5 | ntp | * |
Up to (excluding) 4.2.2p1-9.el5.centos.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_4.0 | ntp | * |
Up to (excluding) 1:4.2.2.p4+dfsg-2etch1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_5 | ntp | * |
Up to (excluding) 4.2.2p1-9.el5_3.1 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 越权影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
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