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I. Basic Information for CVE-2021-28040
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in OSSEC 3.6.0. An uncontrolled recursion vulnerability in os_xml.c occurs when a large number of opening and closing XML tags is used. Because recursion is used in _ReadElem without restriction, an attacker can trigger a segmentation fault once unmapped memory is reached.
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
OSSEC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Scott R. Shinn OSSEC是 (Scott R. Shinn)开源的一个应用软件。提供一个简单,功能强大且开源的解决方案中将HIDS(基于主机的入侵检测),日志监视和SIM,SIEM的所有方面结合在一起。 OSSEC 3.6.0 存在安全漏洞,该漏洞源于在ReadElem中不受限制地使用递归,攻击者可利用该漏洞在到达未映射内存时触发分段错误。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-28040
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III. Intelligence Information for CVE-2021-28040
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