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CVE-2021-36373— Apache Ant TAR archive denial of service vulnerability

Quick assessment

Affected
Apache Software Foundation Apache Ant
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.

Apache Ant是美国阿帕奇（Apache）基金会的一套用于Java软件开发的自动化工具。该工具主要用于软件的编译、测试和部署等。 Apache Ant 存在安全漏洞，该漏洞源于应用程序在处理TAR档案时没有正确地控制内部资源的消耗。攻击者可利用该漏洞触发资源耗尽并执行拒绝服务(DoS)攻击。

AI Predicted 5.3 Difficulty: Moderate EPSS 2.53% · P84

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-36373

Vulnerability Information
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Vulnerability Title
Apache Ant TAR archive denial of service vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
When reading a specially crafted TAR archive an Apache Ant build can be made to allocate large amounts of memory that finally leads to an out of memory error, even for small inputs. This can be used to disrupt builds using Apache Ant. Apache Ant prior to 1.9.16 and 1.10.11 were affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
长度参数不一致性处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Ant 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Ant是美国阿帕奇（Apache）基金会的一套用于Java软件开发的自动化工具。该工具主要用于软件的编译、测试和部署等。 Apache Ant 存在安全漏洞，该漏洞源于应用程序在处理TAR档案时没有正确地控制内部资源的消耗。攻击者可利用该漏洞触发资源耗尽并执行拒绝服务(DoS)攻击。
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
Apache Software Foundation Apache Ant Apache Ant 1.9.x ~ 1.9.15 -

II. Public POCs for CVE-2021-36373

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III. Intelligence Information for CVE-2021-36373

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Vendor Advisories for CVE-2021-36373 (5)

Mailing List Discussions for CVE-2021-36373 (4)

Other References for CVE-2021-36373 (1)

IV. Related Vulnerabilities

Same product: Apache Ant
Same vendor: Apache Software Foundation
Same weakness: CWE-130

V. Comments for CVE-2021-36373

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