中危 Clam AntiVirus拒绝服务漏洞（CVE-2022-20796）
CVE编号
CVE-2022-20796利用情况
暂无补丁情况
官方补丁披露时间
2022-05-06漏洞描述
Clam AntiVirus是ClamAV团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。 Clam AntiVirus 0.103.4、0.103.5、0.104.1和0.104.2版本存在拒绝服务漏洞。经过身份认证的本地攻击者可利用该漏洞导致拒绝服务。 受影响系统： ClamAV Clam AntiVirus 0.104.2 ClamAV Clam AntiVirus 0.104.1 ClamAV Clam AntiVirus 0.103.5 ClamAV Clam AntiVirus 0.103.4解决建议
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html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 | cisco | secure_endpoint | * | Up to (excluding) 1.16.3 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | secure_endpoint | * | Up to (excluding) 1.17.2 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | secure_endpoint | * | Up to (excluding) 7.5.5 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | secure_endpoint | * | From (including) 1.18.0 | Up to (excluding) 1.18.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | clamav | clamav | 0.103.4 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | clamav | clamav | 0.103.5 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | clamav | clamav | 0.104.1 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | clamav | clamav | 0.104.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | clamav | * | Up to (excluding) 0.103.6-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | clamav | * | Up to (excluding) 0.103.6-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2022 | clamav | * | Up to (excluding) 0.103.6-1.amzn2022 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2023 | clamav | * | Up to (excluding) 0.103.7-1.amzn2023.0.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | clamav | * | Up to (excluding) 0.103.6-1.49.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | clamav | * | Up to (excluding) 0.103.6+dfsg-0+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | clamav | * | Up to (excluding) 0.103.6+dfsg-0+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | clamav | * | Up to (excluding) 0.103.6+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | clamav | * | Up to (excluding) 0.103.6+dfsg-0+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | clamav | * | Up to (excluding) 0.103.6+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | clamav-devel | * | Up to (excluding) 0.103.6-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | clamd | * | Up to (excluding) 0.103.6-1.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | clamd | * | Up to (excluding) 0.103.6-1.fc36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | clamav-devel | * | Up to (excluding) 0.103.6-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | clamav-devel | * | Up to (excluding) 0.103.6-1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_9 | clamav-devel | * | Up to (excluding) 0.103.6-1.el9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | libclamav9 | * | Up to (excluding) 0.103.6-150000.3.38.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | libclamav9 | * | Up to (excluding) 0.103.6-150000.3.38.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | clamav | * | Up to (excluding) 0.103.6-3.18.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | clamav | * | Up to (excluding) 0.103.6+dfsg-0ubuntu0.18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | clamav | * | Up to (excluding) 0.103.6+dfsg-0ubuntu0.20.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | clamav | * | Up to (excluding) 0.103.6+dfsg-0ubuntu0.21.10.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | clamav | * | Up to (excluding) 0.103.6+dfsg-0ubuntu0.22.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | clamav | * | Up to (excluding) 0.103.6+dfsg-1ubuntu1 | |||||
- 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 全局影响
- 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 DoS
- 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-476 | 空指针解引用 |
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