CVE编号
CVE-2021-27815利用情况
暂无补丁情况
没有补丁披露时间
2021-04-14漏洞描述
NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.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 |
|
|---|---|
| https://github.com/libexif/exif/commit/eb84b0e3c5f2a86013b6fcfb800d187896a648fa | |
| https://github.com/libexif/exif/commit/f6334d9d32437ef13dc902f0a88a2be0063d9d1c | |
| https://github.com/libexif/exif/issues/4 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... |
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 | libexif_project | exif | * |
Up to (including) 0.6.22 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | exif | * |
Up to (excluding) 0.6.21-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | exif | * |
Up to (excluding) 0.6.22-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | exif | * |
Up to (excluding) 0.6.22-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | exif | * |
Up to (excluding) 0.6.21-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | exif | * |
Up to (excluding) 0.6.22-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | exif | * |
Up to (excluding) 0.6.22-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | exif | * |
Up to (excluding) 0.6.22-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | exif | * |
Up to (excluding) 0.6.22-1.fc34 |
|||||
- 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 有限影响
- EXP成熟度 N/A
- 补丁情况 没有补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 服务器失陷
- 全网数量 N/A
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