低危 gnu tar 跨界内存读
CVE编号
CVE-2021-20193利用情况
暂无补丁情况
官方补丁披露时间
2021-03-27漏洞描述
GNU Tar是GNU社区的一套用于创建tar格式文件的工具。 在tar 1.33及之前版本存在安全漏洞，攻击者可利用该漏洞可以向tar提交精心制作的输入文件，从而导致未受控制的内存消耗。解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777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 | tar | * | Up to (including) 1.33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | tar | * | Up to (excluding) 1.32-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | tar | * | Up to (excluding) 1.32-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | tar | * | Up to (excluding) 1.32-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | tar | * | Up to (excluding) 1.34-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | tar | * | Up to (including) 1.30+dfsg-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | tar | * | Up to (excluding) 1.34+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | tar | * | Up to (excluding) 1.34+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | tar | * | Up to (including) 1.29b-1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | tar | * | Up to (excluding) 1.34+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | tar | * | Up to (excluding) 1.32-2.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | tar | * | Up to (excluding) 1.32-2.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | tar | * | Up to (excluding) 1.32-2.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | tar | * | Up to (excluding) 1.32-2.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | tar | * | Up to (excluding) 1.32-2.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | tar-rmt | * | Up to (excluding) 1.30-lp152.4.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | tar-rmt | * | Up to (excluding) 1.34-150000.3.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | tar | * | Up to (excluding) 1.27.1-15.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | tar | * | Up to (excluding) 1.29b-2ubuntu0.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | tar | * | Up to (excluding) 1.30+dfsg-7ubuntu0.20.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | tar | * | Up to (excluding) 1.34+dfsg-1build1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | tar | * | Up to (excluding) 1.34+dfsg-1build1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | tar | * | Up to (excluding) 1.34+dfsg-1build1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | tar | * | Up to (excluding) 1.34+dfsg-1build1 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 权限要求 普通权限
- 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 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-125 | 跨界内存读 |
| CWE-401 | 在移除最后引用时对内存的释放不恰当（内存泄露） |
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