中危 libxml2缓冲区溢出漏洞（CNVD-2021-37600）
CVE编号
CVE-2021-3517利用情况
暂无补丁情况
官方补丁披露时间
2021-05-19漏洞描述
libxml2是一款使用C语言编写的用于解析XML文档的函数库。 libxml2中entities.c存在缓冲区溢出漏洞，攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://bugzilla.redhat.com/show_bug.cgi?id=1954232受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
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| 应用 | redhat | jboss_core_services | - | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | xmlsoft | libxml2 | * | Up to (excluding) 2.9.11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | libxml2 | * | Up to (excluding) 2.9.9-r5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | libxml2 | * | Up to (excluding) 2.9.10-r5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | libxml2 | * | Up to (excluding) 2.9.10-r6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | libxml2 | * | Up to (excluding) 2.9.10-r7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | libxml2 | * | Up to (excluding) 5.15.3_git20211112-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | libxml2 | * | Up to (excluding) 5.15.3_git20211112-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | libxml2 | * | Up to (excluding) 2.9.11-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | libxml2 | * | Up to (excluding) 5.15.3_git20211112-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | libxml2 | * | Up to (excluding) 5.15.3_git20211112-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | libxml2 | * | Up to (excluding) 5.15.3_git20211112-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | libxml2 | * | Up to (excluding) 11.0.13+8-1.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | libxml2 | * | Up to (excluding) 2.9.1-6.6.42.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | libxml2 | * | Up to (excluding) 2.9.7-9.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | libxml2 | * | Up to (excluding) 2.9.7-9.el8_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libxml2 | * | Up to (excluding) 2.9.4+dfsg1-7+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | libxml2 | * | Up to (excluding) 2.9.10+dfsg-6.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | libxml2 | * | Up to (excluding) 2.9.10+dfsg-6.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | libxml2 | * | Up to (excluding) 2.9.4+dfsg1-2.2+deb9u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | libxml2 | * | Up to (excluding) 2.9.10+dfsg-6.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | python3-libxml2-debuginfo | * | Up to (excluding) 2.9.12-4.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | python3-libxml2-debuginfo | * | Up to (excluding) 5.15.8-2.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | qt5-qtwebengine-examples | * | Up to (excluding) 5.15.8-2.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | libxml2 | * | Up to (excluding) 2.9.10-29.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | libxml2 | * | Up to (excluding) 2.9.10-25.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | libxml2 | * | Up to (excluding) 2.9.10-29.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | libxml2 | * | Up to (excluding) 2.9.10-25.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | python2-libxml2-python | * | Up to (excluding) 2.9.7-lp152.10.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.9.7-9.0.1.el8_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | libxml2 | * | Up to (excluding) 2.9.7-9.el8_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | libxml2-2-32bit | * | Up to (excluding) 2-2.9.4-46.40.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | libxml2 | * | Up to (excluding) 2.9.4+dfsg1-6.1ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | libxml2 | * | Up to (excluding) 2.9.4+dfsg1-6.1ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | libxml2 | * | Up to (excluding) 2.9.10+dfsg-5ubuntu0.20.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | libxml2 | * | Up to (excluding) 2.9.10+dfsg-6.3ubuntu0.1 | |||||
- 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 越权影响
- 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 无影响
- 服务器危害 服务器失陷
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-119 | 内存缓冲区边界内操作的限制不恰当 |
| CWE-787 | 跨界内存写 |
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