CVE-2015-1855
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I. Basic Information for CVE-2015-1855
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ruby OpenSSL extension 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ruby是松本行弘软件开发者的一种跨平台、面向对象的动态类型编程语言。OpenSSL extension是使用在其中的一个OpenSSL安全扩展程序。 Ruby中的OpenSSL extension存在安全漏洞。该漏洞源于程序没有正确验证证书的域名。攻击者可通过实施中间人攻击利用该漏洞欺骗服务器。以下版本受到影响：Ruby 2.0.0 patch level 645之前的2.0版本，2.1.6之前的2.1版本，2.2.2之前的2.2版本。
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
II. Public POCs for CVE-2015-1855
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | poc for CVE-2015-1855 | https://github.com/vpereira/CVE-2015-1855 | POC Details |
AI-Generated POCPremium
No public POC found.
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- http://www.debian.org/security/2015/dsa-3246x_refsource_MISC
- http://www.debian.org/security/2015/dsa-3247x_refsource_MISC
- http://www.debian.org/security/2015/dsa-3245x_refsource_MISC
- https://puppetlabs.com/security/cve/cve-2015-1855x_refsource_MISC
- https://bugs.ruby-lang.org/issues/9644x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2015-1855
IV. Related Vulnerabilities
Same vendor: Ruby
- CVE-2026-42258
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net-imap: Command Injection via "raw" arguments to multiple - CVE-2026-42256
net-imap: Denial of service via high iteration count for `SC - CVE-2026-42245
net-imap: Quadratic complexity when reading response literal - CVE-2026-42246
net-imap vulnerable to STARTTLS stripping via invalid respon
V. Comments for CVE-2015-1855
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