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CVE-2020-27351— Various memory and file descriptor leaks in apt-python

Quick assessment

Affected
Canonical python-apt
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.

Python-apt是Python-apt团队的一个可支持Apt软件包管理工具的Pypi代码库。 python-apt 存在安全漏洞，该漏洞源于python-apt错误地处理了资源。一种本地攻击者可能会使用此问题来导致python-apt消耗资源，导致拒绝服务。以下产品及版本受到影响：python-apt 1.1.0~beta1 versions prior to 1.1.0~beta1ubuntu0.16.04.10; 1.6.5ubuntu0 versions prior to 1.6.5ubuntu

CVSS 2.0 · Low EPSS 0.40% · P31

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-27351

Vulnerability Information
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Vulnerability Title
Various memory and file descriptor leaks in apt-python
Source: CVE Program / CVE List V5
Vulnerability Description
Various memory and file descriptor leaks were found in apt-python files python/arfile.cc, python/tag.cc, python/tarfile.cc, aka GHSL-2020-170. This issue affects: python-apt 1.1.0~beta1 versions prior to 1.1.0~beta1ubuntu0.16.04.10; 1.6.5ubuntu0 versions prior to 1.6.5ubuntu0.4; 2.0.0ubuntu0 versions prior to 2.0.0ubuntu0.20.04.2; 2.1.3ubuntu1 versions prior to 2.1.3ubuntu1.1;
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对已超过有效生命周期的资源丧失索引
Source: CVE Program / CVE List V5
Vulnerability Title
Python-apt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Python-apt是Python-apt团队的一个可支持Apt软件包管理工具的Pypi代码库。 python-apt 存在安全漏洞，该漏洞源于python-apt错误地处理了资源。一种本地攻击者可能会使用此问题来导致python-apt消耗资源，导致拒绝服务。以下产品及版本受到影响：python-apt 1.1.0~beta1 versions prior to 1.1.0~beta1ubuntu0.16.04.10; 1.6.5ubuntu0 versions prior to 1.6.5ubuntu
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
Canonical python-apt 1.1.0~beta1 ~ 1.1.0~beta1ubuntu0.16.04.10 -

II. Public POCs for CVE-2020-27351

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III. Intelligence Information for CVE-2020-27351

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Vendor Advisories for CVE-2020-27351 (2)

Other References for CVE-2020-27351 (1)

IV. Related Vulnerabilities

Same product: python-apt
Same vendor: Canonical
Same weakness: CWE-772

V. Comments for CVE-2020-27351

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