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CVE-2015-5333

Quick assessment

Affected
LibreSSL LibreSSL
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LibreSSL是一款安全套接层和传输层安全协议的开源实现。 LibreSSL 2.3.0之前版本中的‘OBJ_obj2txt’函数存在资源管理错误漏洞。远程攻击者可借助大量的ASN.1对象标识符利用该漏洞获取敏感信息。

AI Predicted 7.5 Difficulty: Easy EPSS 1.98% · P80

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2015-5333

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Memory leak in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (memory consumption) via a large number of ASN.1 object identifiers in X.509 certificates.
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
LibreSSL 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibreSSL是一款安全套接层和传输层安全协议的开源实现。 LibreSSL 2.3.0之前版本中的‘OBJ_obj2txt’函数存在资源管理错误漏洞。远程攻击者可借助大量的ASN.1对象标识符利用该漏洞获取敏感信息。
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
LibreSSL LibreSSL before 2.3.1 -

II. Public POCs for CVE-2015-5333

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III. Intelligence Information for CVE-2015-5333

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Vendor Advisories for CVE-2015-5333 (1)

Mailing List Discussions for CVE-2015-5333 (1)

Other References for CVE-2015-5333 (1)

IV. Related Vulnerabilities

Same product: LibreSSL
Same vendor: LibreSSL