CVE编号
CVE-2020-24659利用情况
暂无补丁情况
官方补丁披露时间
2020-09-05漏洞描述
在3.6.15之前的GnuTLS中发现了一个问题。如果以出乎意料的的时间发送no_renegotiation警报，则服务器可以在TLS 1.3客户端中触发NULL指针取消引用，然后发生无效的第二次握手。崩溃发生在应用程序的错误处理路径中，该路径在检测到握手失败后调用gnutls_deinit函数。解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://www.gnutls.org/security-new.html#GNUTLS-SA-2020-09-04
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00054.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00060.html | |
| https://gitlab.com/gnutls/gnutls/-/issues/1071 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202009-01 | |
| https://security.netapp.com/advisory/ntap-20200911-0006/ | |
| https://usn.ubuntu.com/4491-1/ | |
| https://www.gnutls.org/security-new.html#GNUTLS-SA-2020-09-04 |
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 | gnu | gnutls | * |
Up to (excluding) 3.6.15 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | gnutls | * |
Up to (excluding) 3.6.14-7.1.al8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | gnutls | * |
Up to (excluding) 3.6.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | gnutls | * |
Up to (excluding) 3.6.14-7.el8_3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | gnutls | * |
Up to (excluding) 3.6.7-4+deb10u7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | gnutls | * |
Up to (excluding) 3.6.14-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | gnutls | * |
Up to (excluding) 3.5.8-5+deb9u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | gnutls | * |
Up to (excluding) 3.6.15-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | gnutls | * |
Up to (excluding) 3.6.15-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | gnutls | * |
Up to (excluding) 3.6.7-lp151.2.21.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | gnutls | * |
Up to (excluding) 3.6.7-lp152.9.3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | gnutls | * |
Up to (excluding) 3.6.14-7.el8_3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | gnutls | * |
Up to (excluding) 3.6.14-7.el8_3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | gnutls | * |
Up to (excluding) 3.6.13-2ubuntu1.3 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- 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 100
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