中危 gnu libtasn1 跨界内存读
CVE编号
CVE-2021-46848利用情况
暂无补丁情况
官方补丁披露时间
2022-10-24漏洞描述
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.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 | gnu | libtasn1 | * | Up to (excluding) 4.19.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | libtasn1 | * | Up to (excluding) 4.17.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | libtasn1 | * | Up to (excluding) 4.18.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | libtasn1 | * | Up to (excluding) 4.18.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | libtasn1 | * | Up to (excluding) 4.19-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | libtasn1 | * | Up to (excluding) 4.19-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | libtasn1 | * | Up to (excluding) 4.19-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | libtasn1 | * | Up to (excluding) 4.10-1.amzn2.0.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2023 | libtasn1 | * | Up to (excluding) 4.19.0-1.amzn2023.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | libtasn1-tools | * | Up to (excluding) 4.13-4.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | libtasn1-tools-debuginfo | * | Up to (excluding) 4.13-4.el8_7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libtasn1-6 | * | Up to (excluding) 4.13-3+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | libtasn1-6 | * | Up to (excluding) 4.16.0-2+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | libtasn1-6 | * | Up to (excluding) 4.19.0-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | libtasn1-6 | * | Up to (excluding) 4.19.0-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | mingw32-libtasn1 | * | Up to (excluding) 4.19.0-1.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | mingw32-libtasn1 | * | Up to (excluding) 4.19.0-1.fc36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_37 | mingw32-libtasn1 | * | Up to (excluding) 4.19.0-1.fc37 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_5.2 | libtasn1 | * | Up to (excluding) 4.13-150000.4.8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | libtasn1-devel-32bit | * | Up to (excluding) 4.13-150000.4.8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | libtasn1-devel-32bit | * | Up to (excluding) 4.13-150000.4.8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 4.13-4.el8_7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_9 | oraclelinux-release | * | Up to (excluding) 4.16.0-8.el9_1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | libtasn1-tools-debuginfo | * | Up to (excluding) 4.13-4.el8_7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_9 | libtasn1-debugsource | * | Up to (excluding) 4.16.0-8.el9_1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | libtasn1 | * | Up to (excluding) 6-4.9-3.13.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_a | libtasn1 | * | Up to (excluding) libtasn1-4.13-5.uelc20.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | libtasn1-6 | * | Up to (excluding) 4.13.1-deepin1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_e | libtasn1 | * | Up to (excluding) 4.16.0-2.uel20 | |||||
- 攻击路径 本地
- 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 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-193 | Off-by-one错误 |
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