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CVE-2015-0285

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
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 1.0.2a之前1.0.2版本的s3_clnt.c文件中的‘ssl3_client_hello’函数存在安全漏洞。远程攻击者可通过嗅探网络并实施暴力破解攻击利用该漏洞破坏密码保护机制。

AI Predicted 7.5 Difficulty: Moderate EPSS 4.96% · P92
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I. Basic Information for CVE-2015-0285

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The ssl3_client_hello function in s3_clnt.c in OpenSSL 1.0.2 before 1.0.2a does not ensure that the PRNG is seeded before proceeding with a handshake, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by sniffing the network and then conducting a brute-force 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‘ssl3_client_hello’函数安全漏洞
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 1.0.2a之前1.0.2版本的s3_clnt.c文件中的‘ssl3_client_hello’函数存在安全漏洞。远程攻击者可通过嗅探网络并实施暴力破解攻击利用该漏洞破坏密码保护机制。
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-2015-0285

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III. Intelligence Information for CVE-2015-0285

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Vendor Advisories for CVE-2015-0285 (11)

Mailing List Discussions for CVE-2015-0285 (3)

Other References for CVE-2015-0285 (4)

Same Patch Batch · n/a · 2015-03-19 · 18 CVEs total

CVE-2015-0286 OpenSSL‘ASN1_TYPE_cmp’函数安全漏洞
CVE-2015-1787 OpenSSL‘ssl3_get_client_key_exchange’函数拒绝服务漏洞
CVE-2015-0293 OpenSSL SSLv2 拒绝服务漏洞
CVE-2015-0292 OpenSSL‘EVP_DecodeUpdate’函数缓冲区错误漏洞
CVE-2015-0291 OpenSSL sigalgs 拒绝服务漏洞
CVE-2015-0290 OpenSSL‘ssl3_write_bytes’函数拒绝服务漏洞
CVE-2015-0289 OpenSSL PKCS#7 拒绝服务漏洞
CVE-2015-0288 OpenSSL‘X509_to_X509_REQ’函数拒绝服务漏洞
CVE-2015-0287 OpenSSL‘ASN1_item_ex_d2i’函数安全漏洞
CVE-2015-2281 Fortinet Single Sign On 基于栈的缓冲区溢出漏洞
CVE-2015-0209 OpenSSL‘d2i_ECPrivateKey’函数释放后重用漏洞
CVE-2015-0208 OpenSSL‘rsa_item_verify’函数拒绝服务漏洞
CVE-2015-0207 OpenSSL‘dtls1_listen’函数拒绝服务漏洞
CVE-2015-2352 MyBB 安全漏洞
CVE-2015-2351 Alkacon Software OpenCms 跨站脚本漏洞
CVE-2015-2350 MikroTik RouterOS 跨站请求伪造漏洞
CVE-2015-2349 SuperWebMailer 跨站脚本漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2015-0285

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