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CVE-2022-2787— stricter rules on chroot names

Quick assessment

Affected
Debian schroot
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.

schroot是一个软件包。用于允许用户在 chroot 环境中运行命令或登录 shell。 Debian schroot软件包存在安全漏洞。攻击者利用该漏洞通过 Session Names 绕过 schroot 的限制，以提升他的权限。

AI Predicted 5.9 Difficulty: Easy EPSS 1.02% · P62

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-2787

Vulnerability Information
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Vulnerability Title
stricter rules on chroot names
Source: CVE Program / CVE List V5
Vulnerability Description
Schroot before 1.6.13 had too permissive rules on chroot or session names, allowing a denial of service on the schroot service for all users that may start a schroot session.
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
schroot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
schroot是一个软件包。用于允许用户在 chroot 环境中运行命令或登录 shell。 Debian schroot软件包存在安全漏洞。攻击者利用该漏洞通过 Session Names 绕过 schroot 的限制，以提升他的权限。
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
Debian schroot unspecified ~ 1.6.13 -

II. Public POCs for CVE-2022-2787

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III. Intelligence Information for CVE-2022-2787

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Patches & Fixes for CVE-2022-2787 (1)

Vendor Advisories for CVE-2022-2787 (1)

Mailing List Discussions for CVE-2022-2787 (2)

IV. Related Vulnerabilities

Same vendor: Debian

V. Comments for CVE-2022-2787

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