中危 digium asterisk 不恰当的资源关闭或释放
CVE编号
CVE-2021-26906利用情况
暂无补丁情况
官方补丁披露时间
2021-02-19漏洞描述
An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.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。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 | digium | asterisk | * | From (including) 13.0.0 | Up to (excluding) 13.38.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | digium | asterisk | * | From (including) 16.0.0 | Up to (excluding) 16.16.1 | ||||
| 运行在以下环境 | |||||||||
| 应用 | digium | asterisk | * | From (including) 17.0.0 | Up to (excluding) 17.9.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | digium | asterisk | * | From (including) 18.0 | Up to (excluding) 18.2.1 | ||||
| 运行在以下环境 | |||||||||
| 应用 | digium | certified_asterisk | 16.8 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | asterisk | * | Up to (excluding) 16.16.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | asterisk | * | Up to (excluding) 18.2.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | asterisk | * | Up to (excluding) 1:16.16.1~dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | asterisk | * | Up to (excluding) 1:16.16.1~dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | asterisk | * | Up to (excluding) 1:16.16.1~dfsg-1 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-404 | 不恰当的资源关闭或释放 |
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