CVE编号
CVE-2018-20481利用情况
暂无补丁情况
官方补丁披露时间
2018-12-26漏洞描述
XRef: getEntry XRef。当XRef.h中的XRefEntry::setFlag从Parser::makeStream中调用时，Poppler 0.72.0中的cc错误地处理了未分配的XRef条目，这允许远程攻击者通过一个经过构造的PDF文档来导致拒绝服务(NULL pointer dereference)。解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143
参考链接 |
|
|---|---|
| http://www.securityfocus.com/bid/106321 | |
| https://access.redhat.com/errata/RHSA-2019:2022 | |
| https://access.redhat.com/errata/RHSA-2019:2713 | |
| https://gitlab.freedesktop.org/poppler/poppler/issues/692 | |
| https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143 | |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html | |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html | |
| https://usn.ubuntu.com/3865-1/ |
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 | freedesktop | poppler | 0.72.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | poppler | * |
Up to (excluding) 0.26.5-38.1.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | poppler | * |
Up to (excluding) 0.26.5-38.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | poppler | * |
Up to (excluding) 0.26.5-38.19.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | poppler | * |
Up to (excluding) 0.66.0-11.el8_0.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | poppler | * |
Up to (excluding) 0.26.5-2+deb8u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | poppler | * |
Up to (excluding) 0.48.0-2+deb9u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_28 | poppler | * |
Up to (excluding) 0.62.0-14.fc28 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_29 | poppler | * |
Up to (excluding) 0.67.0-3.fc29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | poppler | * |
Up to (excluding) 0.62.0-4.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | poppler | * |
Up to (excluding) 3.28.2-8.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | poppler | * |
Up to (excluding) 0.66.0-11.el8_0.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | poppler | * |
Up to (excluding) 0.66.0-11.el8_0.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | poppler | * |
Up to (excluding) 0.41.0-0ubuntu1.11 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | poppler | * |
Up to (excluding) 0.62.0-2ubuntu2.6 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 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 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
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