低危 OpenSSL BIO_printf函数堆内存破坏漏洞
CVE编号
CVE-2016-0799利用情况
POC 已公开补丁情况
官方补丁披露时间
2016-03-04漏洞描述
OpenSSL是一个实现安全套接层和安全传输层协议的通用开源加密库，可支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL中的BIO_*printf函数通过调用内部函数fmtstr来处理"%s"格式化字符串。fmtstr 函数在计算字符串长度时可能会导致溢出，在打印非常长的字符串时会导致内存越界读的错误。内部doapr_outch 函数在内存分配失败时会尝试越界写内存（会尝试写通过NULL指针偏移后的位置），尝试分配比INT_MAX还大的内存时会触发该漏洞，导致内存泄露。解决建议
厂商已发布漏洞修复方案，请及时关注厂商主页更新修复：https://www.openssl.org/受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
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| 应用 | openssl | openssl | 1.0.1 | - | |||||
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| 应用 | openssl | openssl | 1.0.1a | - | |||||
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| 应用 | openssl | openssl | 1.0.1b | - | |||||
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| 应用 | openssl | openssl | 1.0.1c | - | |||||
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| 应用 | openssl | openssl | 1.0.1d | - | |||||
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| 应用 | openssl | openssl | 1.0.1e | - | |||||
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| 应用 | openssl | openssl | 1.0.1f | - | |||||
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| 应用 | openssl | openssl | 1.0.1g | - | |||||
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| 应用 | openssl | openssl | 1.0.1h | - | |||||
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| 应用 | openssl | openssl | 1.0.1i | - | |||||
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| 应用 | openssl | openssl | 1.0.1j | - | |||||
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| 应用 | openssl | openssl | 1.0.1k | - | |||||
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| 应用 | openssl | openssl | 1.0.1l | - | |||||
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| 应用 | openssl | openssl | 1.0.1m | - | |||||
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| 应用 | openssl | openssl | 1.0.1n | - | |||||
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| 应用 | openssl | openssl | 1.0.1o | - | |||||
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| 应用 | openssl | openssl | 1.0.1p | - | |||||
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| 应用 | openssl | openssl | 1.0.1q | - | |||||
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| 应用 | openssl | openssl | 1.0.1r | - | |||||
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| 应用 | openssl | openssl | 1.0.2 | - | |||||
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| 应用 | openssl | openssl | 1.0.2a | - | |||||
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| 应用 | openssl | openssl | 1.0.2b | - | |||||
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| 应用 | openssl | openssl | 1.0.2c | - | |||||
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| 应用 | openssl | openssl | 1.0.2d | - | |||||
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| 应用 | openssl | openssl | 1.0.2e | - | |||||
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| 应用 | openssl | openssl | 1.0.2f | - | |||||
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| 应用 | pulsesecure | client | - | - | |||||
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| 应用 | pulsesecure | steel_belted_radius | - | - | |||||
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| 系统 | amazon_AMI | openssl | * | Up to (excluding) 1.0.1k-14.89.amzn1 | |||||
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| 系统 | centos_6 | openssl | * | Up to (excluding) 1.0.1e-48.el6_8.1 | |||||
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| 系统 | centos_7 | openssl | * | Up to (excluding) 1.0.1e-51.el7_2.5 | |||||
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| 系统 | debian | DPKG | * | Up to (excluding) 1.0.2g-1 | |||||
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| 系统 | debian_10 | openssl | * | Up to (excluding) 1.0.2g-1 | |||||
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| 系统 | debian_11 | openssl | * | Up to (excluding) 1.0.2g-1 | |||||
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| 系统 | debian_12 | openssl | * | Up to (excluding) 1.0.2g-1 | |||||
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| 系统 | debian_7 | openssl | * | Up to (excluding) 1.0.1e-2+deb7u20 | |||||
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| 系统 | debian_8 | openssl | * | Up to (excluding) 1.0.1t-1+deb8u8 | |||||
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| 系统 | debian_sid | openssl | * | Up to (excluding) 1.0.2g-1 | |||||
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| 系统 | fedora_22 | openssl-libs | * | Up to (excluding) 1.0.1k-14.fc22 | |||||
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| 系统 | fedora_23 | openssl-libs | * | Up to (excluding) 1.0.2h-1.fc23 | |||||
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| 系统 | fedora_24 | mingw64-openssl-static | * | Up to (excluding) 1.0.2h-1.fc24 | |||||
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| 系统 | fedora_EPEL_5 | openssl101e-devel | * | Up to (excluding) 1.0.1e-8.el5 | |||||
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| 系统 | opensuse_11.4 | libopenssl1_0_0-debuginfo-32bit | * | Up to (excluding) 1.0.1p-71.1 | |||||
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| 系统 | opensuse_13.1 | libopenssl0_9_8-debugsource | * | Up to (excluding) 1.0.1k-11.84.1 | |||||
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| 系统 | opensuse_13.2 | libopenssl0_9_8-debugsource | * | Up to (excluding) 1.0.1k-2.33.1 | |||||
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| 系统 | opensuse_Leap_42.1 | libopenssl0_9_8-32bit | * | Up to (excluding) 1.0.1i-12.1 | |||||
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| 系统 | oracle_5 | oraclelinux-release | * | Up to (excluding) 0.9.8e-40.0.2.el5_11 | |||||
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| 系统 | oracle_6 | oraclelinux-release | * | Up to (excluding) 1.0.1t-2.0.1.el6 | |||||
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| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 1.0.1e-51.ksplice1.el7_2.5 | |||||
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| 系统 | redhat_6 | openssl | * | Up to (excluding) 0:1.0.1e-48.el6_8.1 | |||||
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| 系统 | redhat_7 | openssl | * | Up to (excluding) 1.0.1e-51.el7_2.5 | |||||
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| 系统 | suse_11_SP4 | compat-openssl097g | * | Up to (excluding) 0.9.8j-0.89.1 | |||||
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| 系统 | suse_12 | libopenssl-devel | * | Up to (excluding) 1.0.1i-27.13.1 | |||||
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| 系统 | suse_12_SP1 | libopenssl0_9_8-32bit | * | Up to (excluding) 1.0.1i-44.1 | |||||
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| 系统 | ubuntu_12.04.5_lts | openssl | * | Up to (excluding) 1.0.1-4ubuntu5.35 | |||||
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| 系统 | ubuntu_14.04 | openssl | * | Up to (excluding) 1.0.1f-1ubuntu2.18 | |||||
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| 系统 | ubuntu_14.04.6_lts | openssl | * | Up to (excluding) 1.0.1f-1ubuntu2.18 | |||||
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| 系统 | ubuntu_16.04 | openssl | * | Up to (excluding) 1.0.2g-1ubuntu2 | |||||
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| 系统 | ubuntu_16.04.7_lts | openssl | * | Up to (excluding) 1.0.2g-1ubuntu2 | |||||
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| 系统 | ubuntu_18.04 | openssl | * | Up to (excluding) 1.0.2g-1ubuntu2 | |||||
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| 系统 | ubuntu_18.04.5_lts | openssl | * | Up to (excluding) 1.0.2g-1ubuntu2 | |||||
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| 系统 | ubuntu_18.10 | openssl | * | Up to (excluding) 1.0.2g-1ubuntu2 | |||||
- 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 POC 已公开
- 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-119 | 内存缓冲区边界内操作的限制不恰当 |
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