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CVE-2018-6552— Apport treats the container PID as the global PID when /proc/<global_pid>/ is missing

Quick assessment

Affected
n/a Apport
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.

Ubuntu是英国科能（Canonical）公司和Ubuntu基金会共同开发的一套以桌面应用为主的GNU/Linux操作系统。Apport是其中的一个用于收集并反馈错误信息（当应用程序崩溃时操作系统认为有用的信息）的工具包。 Apport中存在安全漏洞，该漏洞源于程序没有正确的处理的崩溃情况。本地攻击者可利用该漏洞造成拒绝服务（资源耗尽），获取root权限或绕过容器。以下版本受到影响：Apport 2.20.8-0ubuntu4版本至2.20.9-0ubuntu7版本，2.20.7-0ubuntu3.7版

AI Predicted 7.8 Difficulty: Moderate EPSS 0.39% · P31
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I. Basic Information for CVE-2018-6552

Vulnerability Information
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Vulnerability Title
Apport treats the container PID as the global PID when /proc/<global_pid>/ is missing
Source: CVE Program / CVE List V5
Vulnerability Description
Apport does not properly handle crashes originating from a PID namespace allowing local users to create certain files as root which an attacker could leverage to perform a denial of service via resource exhaustion, possibly gain root privileges, or escape from containers. The is_same_ns() function returns True when /proc/<global pid>/ does not exist in order to indicate that the crash should be handled in the global namespace rather than inside of a container. However, the portion of the data/apport code that decides whether or not to forward a crash to a container does not always replace sys.argv[1] with the value stored in the host_pid variable when /proc/<global pid>/ does not exist which results in the container pid being used in the global namespace. This flaw affects versions 2.20.8-0ubuntu4 through 2.20.9-0ubuntu7, 2.20.7-0ubuntu3.7, 2.20.7-0ubuntu3.8, 2.20.1-0ubuntu2.15 through 2.20.1-0ubuntu2.17, and 2.14.1-0ubuntu3.28.
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
Apport 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubuntu是英国科能（Canonical）公司和Ubuntu基金会共同开发的一套以桌面应用为主的GNU/Linux操作系统。Apport是其中的一个用于收集并反馈错误信息（当应用程序崩溃时操作系统认为有用的信息）的工具包。 Apport中存在安全漏洞，该漏洞源于程序没有正确的处理的崩溃情况。本地攻击者可利用该漏洞造成拒绝服务（资源耗尽），获取root权限或绕过容器。以下版本受到影响：Apport 2.20.8-0ubuntu4版本至2.20.9-0ubuntu7版本，2.20.7-0ubuntu3.7版
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
- Apport 2.20.8-0ubuntu4 ~ unspecified -
- Apport 2.20.1-0ubuntu2.15 ~ unspecified -
- Apport 2.20.7-0ubuntu3.7 ~ unspecified -
- Apport 2.14.1-0ubuntu3.28 -

II. Public POCs for CVE-2018-6552

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III. Intelligence Information for CVE-2018-6552

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Vendor Advisories for CVE-2018-6552 (2)

Same Patch Batch · n/a · 2018-05-31 · 47 CVEs total

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CVE-2018-11578 MiniUPnP ngiflib 缓冲区错误漏洞
CVE-2018-11571 ClipperCMS 安全漏洞
CVE-2018-9318 BMW汽车Telematics Control Unit 安全漏洞
CVE-2018-9320 多款BMW汽车Head Unit HU_NBT组件安全漏洞
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CVE-2018-9311 BMW汽车Telematics Control Unit 安全漏洞
CVE-2018-11036 多款Ruckus产品SmartZone 安全漏洞
CVE-2018-11220 Bitmain Antminer D3、L3+和S9 安全漏洞
CVE-2018-11625 ImageMagick 缓冲区错误漏洞
CVE-2018-11624 ImageMagick 安全漏洞
CVE-2018-11598 Espruino 安全漏洞
CVE-2018-11597 Espruino 缓冲区错误漏洞

Showing top 20 of 47 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Apport
Same vendor: n/a

V. Comments for CVE-2018-6552

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