中危 跨界内存写
CVE编号
CVE-2021-31291利用情况
暂无补丁情况
官方补丁披露时间
2021-07-26漏洞描述
A flaw was found in exiv2. A flawed bounds checking in the jp2Image.cpp:doWriteMetadata function leads to a heap-based buffer overflow. This flaw allows an attacker who can provide a malicious image to an application using the exiv2 library, to write data out of bounds and potentially execute code. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.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。
参考链接 |
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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 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | compat-exiv2-023 | * | Up to (excluding) 0.27.0-4.1.al7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | exiv2 | * | Up to (excluding) 0.27.3-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | exiv2 | * | Up to (excluding) 0.27.3-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | exiv2 | * | Up to (excluding) 0.27.3-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | exiv2 | * | Up to (excluding) 0.27.3-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | exiv2 | * | Up to (excluding) 0.27.3-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | exiv2 | * | Up to (excluding) 0.27.3-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | exiv2 | * | Up to (excluding) 0.27.0-4.amzn2.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | exiv2 | * | Up to (excluding) 0.26-4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8.2 | compat-exiv2-026 | * | Up to (excluding) 0.27.2-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | exiv2 | * | Up to (excluding) 0.27.0-4.el7_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | exiv2-debuginfo | * | Up to (excluding) 0.26-4.el8_4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | exiv2 | * | Up to (including) 0.25-4+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | exiv2 | * | Up to (including) 0.27.3-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | exiv2 | * | Up to (including) 0.25-3.1+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | exiv2 | * | Up to (including) 0.27.3-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | mingw32-exiv2-debuginfo | * | Up to (excluding) 0.27.4-3.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | mingw32-exiv2-debuginfo | * | Up to (excluding) 0.27.4-3.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | libexiv2-doc | * | Up to (excluding) 0.26-150000.6.16.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | libexiv2-doc | * | Up to (excluding) 0.26-150400.9.16.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 0.27.0-4.el7_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 0.27.3-3.el8_4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | exiv2 | * | Up to (excluding) 0.27.0-4.el7_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | exiv2-debuginfo | * | Up to (excluding) 0.26-4.el8_4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | libexiv2 | * | Up to (excluding) 12-0.23-12.11.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_c | compat-exiv2-023 | * | Up to (excluding) compat-exiv2-026-0.26-2.uelc20.1 | |||||
- 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 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 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-787 | 跨界内存写 |
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