低危 libexif：在exif-entry.c中的exif_entry_get_value函数中被零除
CVE编号
CVE-2020-12767利用情况
暂无补丁情况
官方补丁披露时间
2020-05-10漏洞描述
libexif 0.6.21中exif-entry.c中的exif_entry_get_value具有除以零的错误。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://github.com/libexif/libexif/pull/32/commits/4431cd0d67c2b17bf764fa9c253f11051ae8355a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 | libexif | 0.6.21 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | libexif-debuginfo | * | Up to (excluding) 0.6.22-1.1.al7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | libexif | * | Up to (excluding) 0.6.22-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | libexif | * | Up to (excluding) 0.6.22-1.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | libexif | * | Up to (excluding) 0.6.22-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | libexif-debugsource | * | Up to (excluding) 0.6.22-4.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libexif | * | Up to (excluding) 0.6.21-5.1+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | libexif | * | Up to (excluding) 0.6.21-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | libexif | * | Up to (excluding) 0.6.21-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | libexif | * | Up to (excluding) 0.6.21-2+deb8u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | libexif | * | Up to (excluding) 0.6.21-2+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | libexif | * | Up to (excluding) 0.6.21-7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | libexif-debuginfo | * | Up to (excluding) 0.6.22-1.fc31 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | libexif-debuginfo | * | Up to (excluding) 0.6.22-1.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10 | libexif | * | Up to (excluding) 0.6.22-2.el7_9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | libexif | * | Up to (excluding) 0.6.22-2.el7_9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | libexif-devel-32bit | * | Up to (excluding) 0.6.22-lp151.4.6.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 0.6.22-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 0.6.22-4.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | libexif | * | Up to (excluding) 0.6.22-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | libexif-debugsource | * | Up to (excluding) 0.6.22-4.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | libexif | * | Up to (excluding) 0.6.22-8.9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | libexif12-32bit | * | Up to (excluding) 0.6.22-8.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | libexif12-32bit | * | Up to (excluding) 0.6.22-8.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | libexif | * | Up to (excluding) 0.6.21-2ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | libexif | * | Up to (excluding) 0.6.21-2ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | libexif | * | Up to (excluding) 0.6.21-4ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | libexif | * | Up to (excluding) 0.6.21-4ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | libexif | * | Up to (excluding) 0.6.21-6ubuntu0.1 | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 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 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
| CWE-ID | 漏洞类型 |
| CWE-369 | 除零错误 |
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