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CVE-2020-27350— apt integer wraparound

Quick assessment

Affected
Canonical 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.

apt是Debian计划合作组织的一个命令行软件包管理器，它提供搜索、管理和查询软件包信息功能。 APT存在输入验证错误漏洞，该漏洞源于APT错误地处理了某些软件包。本地攻击者可能会使用此问题导致APT崩溃或停止响应，从而导致拒绝服务。以下产品及版本受到影响：apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions p

CVSS 5.7 · Medium EPSS 0.38% · P29

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-27350

Vulnerability Information
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Vulnerability Title
apt integer wraparound
Source: CVE Program / CVE List V5
Vulnerability Description
APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
apt 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
apt是Debian计划合作组织的一个命令行软件包管理器，它提供搜索、管理和查询软件包信息功能。 APT存在输入验证错误漏洞，该漏洞源于APT错误地处理了某些软件包。本地攻击者可能会使用此问题导致APT崩溃或停止响应，从而导致拒绝服务。以下产品及版本受到影响：apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions p
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 apt 1.2.32ubuntu0 ~ 1.2.32ubuntu0.2 -

II. Public POCs for CVE-2020-27350

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III. Intelligence Information for CVE-2020-27350

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Vendor Advisories for CVE-2020-27350 (3)

Other References for CVE-2020-27350 (1)

IV. Related Vulnerabilities

Same product: apt
Same vendor: Canonical
Same weakness: CWE-190

V. Comments for CVE-2020-27350

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