CVE编号
CVE-2021-27135利用情况
暂无补丁情况
官方补丁披露时间
2021-02-11漏洞描述
XTerm是一个X Window System上的终端模拟器，用来提供多个独立的SHELL输入输出。Xterm中存在输入验证错误漏洞，该漏洞源于允许远程攻击者通过特制的UTF-8字符序列造成拒绝服务（分段错误）或可能具有未指明的其他影响。目前没有详细的漏洞细节提供。
解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://www.debian.org/lts/security/2021/dla-2558
参考链接 |
|
|---|---|
| http://seclists.org/fulldisclosure/2021/May/52 | |
| http://www.openwall.com/lists/oss-security/2021/02/10/7 | |
| https://access.redhat.com/security/cve/CVE-2021-27135 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1927559 | |
| https://bugzilla.suse.com/show_bug.cgi?id=1182091 | |
| https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a... | |
| https://invisible-island.net/xterm/xterm.log.html | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00019.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://news.ycombinator.com/item?id=26524650 | |
| https://www.openwall.com/lists/oss-security/2021/02/09/7 | |
| https://www.openwall.com/lists/oss-security/2021/02/09/9 |
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 | invisible-island | xterm | * |
Up to (including) 365 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | xterm | * |
Up to (excluding) 295-3.1.al7.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | xterm | * |
Up to (excluding) 363-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | xterm | * |
Up to (excluding) 366-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | xterm | * |
Up to (excluding) 366-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | xterm | * |
Up to (excluding) 366-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | xterm | * |
Up to (excluding) 295-3.amzn2.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | xterm | * |
Up to (excluding) 3.15.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | xterm | * |
Up to (excluding) 295-3.el7_9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | xterm | * |
Up to (excluding) 331-1.el8_3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | xterm | * |
Up to (excluding) 344-1+deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | xterm | * |
Up to (excluding) 365-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | xterm | * |
Up to (excluding) 327-2+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | xterm | * |
Up to (excluding) 366-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | xterm | * |
Up to (excluding) 330-lp152.6.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | xterm | * |
Up to (excluding) 330-11.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | xterm | * |
Up to (excluding) 253-1.0.1.el6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | xterm | * |
Up to (excluding) 295-3.el7_9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | xterm | * |
Up to (excluding) 331-1.el8_3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | xterm | * |
Up to (excluding) 331-1.el8_3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | xterm | * |
Up to (excluding) 308-5.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | xterm | * |
Up to (excluding) 322-1ubuntu1.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | xterm | * |
Up to (excluding) 330-1ubuntu2.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | xterm | * |
Up to (excluding) 353-1ubuntu1.20.04.2 |
|||||
- 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 全局影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
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