CVE编号
CVE-2021-26937利用情况
暂无补丁情况
官方补丁披露时间
2021-02-10漏洞描述
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.解决建议
厂商尚未提供漏洞修复方案，请关注厂商主页更新：https://ftp.gnu.org/gnu/screen/
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2021/02/09/8 | |
| https://ftp.gnu.org/gnu/screen/ | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html | |
| https://security.gentoo.org/glsa/202105-11 | |
| https://www.debian.org/security/2021/dsa-4861 | |
| https://www.openwall.com/lists/oss-security/2021/02/09/3 |
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 | screen | * |
Up to (including) 4.8.0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | screen | * |
Up to (excluding) 4.1.0-0.27.20120314git3c2946.1.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | screen | * |
Up to (excluding) 4.6.2-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | screen | * |
Up to (excluding) 4.7.0-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | screen | * |
Up to (excluding) 4.8.0-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | screen | * |
Up to (excluding) 4.8.0-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | screen | * |
Up to (excluding) 4.8.0-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | screen | * |
Up to (excluding) 4.8.0-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | screen | * |
Up to (excluding) 4.8.0-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | screen | * |
Up to (excluding) 4.1.0-0.27.20120314git3c2946.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | screen | * |
Up to (excluding) 4.0.3-19.7.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | screen | * |
Up to (excluding) 4.1.0-0.27.20120314git3c2946.el7_9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | screen | * |
Up to (excluding) 4.6.2-3+deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | screen | * |
Up to (excluding) 4.8.0-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | screen | * |
Up to (excluding) 4.5.0-6+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | screen | * |
Up to (excluding) 4.8.0-5.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | screen | * |
Up to (excluding) 4.8.0-5.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | screen | * |
Up to (excluding) 4.6.2-12.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | screen | * |
Up to (excluding) 4.6.2-lp152.6.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | screen | * |
Up to (excluding) 4.1.0-0.27.20120314git3c2946.el7_9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | screen | * |
Up to (excluding) 4.0.4-23.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | screen | * |
Up to (excluding) 4.1.0~20120320gitdb59704-9ubuntu0.1~esm2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | screen | * |
Up to (excluding) 4.3.1-2ubuntu0.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | screen | * |
Up to (excluding) 4.6.2-1ubuntu1.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | screen | * |
Up to (excluding) 4.8.0-1ubuntu0.1 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 影响范围 全局影响
- 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 DoS
- 全网数量 N/A
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