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CVE-2016-0702

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.0.2及之前版本和1.0.1及之前版本中存在安全漏洞，该漏洞源于程序在执行模幂运算时没有考虑cache-bank访问时间。本地攻击者可通过运行特制的应用程序并借助存储体冲突，利用该漏洞实施旁路攻击，发现RSA密钥。

AI Predicted 3.5 Difficulty: Hard EPSS 1.91% · P79

Possible ATT&CK Techniques 1 AI

T1056 · Input Capture
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I. Basic Information for CVE-2016-0702

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSSL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSL是OpenSSL团队开发的一个开源的能够实现安全套接层（SSL v2/v3）和安全传输层（TLS v1）协议的通用加密库，它支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 1.0.2及之前版本和1.0.1及之前版本中存在安全漏洞，该漏洞源于程序在执行模幂运算时没有考虑cache-bank访问时间。本地攻击者可通过运行特制的应用程序并借助存储体冲突，利用该漏洞实施旁路攻击，发现RSA密钥。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2016-0702

# POC Description Source Link Shenlong Link
1 None https://github.com/Trinadh465/OpenSSL-1_0_1g_CVE-2016-0702 POC Details
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III. Intelligence Information for CVE-2016-0702

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Vendor Advisories for CVE-2016-0702 (10)

Mailing List Discussions for CVE-2016-0702 (23)

Other References for CVE-2016-0702 (11)

Same Patch Batch · n/a · 2016-03-03 · 19 CVEs total

CVE-2015-6260 Cisco NX-OS Software SNMP数据包拒绝服务漏洞
CVE-2016-1359 Cisco Prime Infrastructure Log File 远程代码执行漏洞
CVE-2016-1358 Cisco Prime Infrastructure 安全漏洞
CVE-2016-1357 Cisco Policy Suite Confidentialpassword-management administration组件信息泄露漏洞
CVE-2016-1356 Cisco FireSIGHT System Software Convert Timing Channel 安全漏洞
CVE-2016-1288 Cisco Web Security Appliance Web代理框架拒绝服务漏洞
CVE-2016-1158 Corega CG-WLBARGMH和CG-WLBARGNL 跨站请求伪造漏洞
CVE-2016-0227 IBM Business Process Manager 跨站脚本漏洞
CVE-2015-7490 IBM InfoSphere Information Server 安全漏洞
CVE-2016-0705 OpenSSL 安全漏洞
CVE-2015-0718 Cisco NX-OS Software TCP栈拒绝服务漏洞
CVE-2016-2842 OpenSSL 安全漏洞
CVE-2016-1355 Cisco FireSIGHT System Software Device Management UI 跨站脚本漏洞
CVE-2016-1354 Cisco Unified Communications Domain Manager 跨站脚本漏洞
CVE-2016-1329 Cisco Nexus 3000 Series Switches和Cisco Nexus 3500 Platform Switches NX-OS Software 权限许可和访问
CVE-2016-0799 OpenSSL‘BIO_*printf’函数安全漏洞
CVE-2016-0798 OpenSSL‘SRP_VBASE_get_by_user’方法内存泄露漏洞
CVE-2016-0797 OpenSSL‘BN_hex2bn’函数和‘BN_dec2bn’函数整数溢出漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2016-0702

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