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CVE-2020-13333

Quick assessment

Affected
GitLab GitLab
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.

GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab 13.1版本, 13.2版本，13.3版本 存在安全漏洞。该漏洞源于更新 release 的链接有正则检查过程该步骤可能导致某些用户提供的值出现指数级的回溯，从而导致高CPU使用率。

CVSS 4.3 · Medium EPSS 2.11% · P81

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-13333

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab 13.1版本, 13.2版本，13.3版本 存在安全漏洞。该漏洞源于更新 release 的链接有正则检查过程该步骤可能导致某些用户提供的值出现指数级的回溯，从而导致高CPU使用率。
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
GitLab GitLab >=13.1, <13.2.10 -

II. Public POCs for CVE-2020-13333

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III. Intelligence Information for CVE-2020-13333

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Other References for CVE-2020-13333 (2)

Same Patch Batch · GitLab · 2020-10-06 · 3 CVEs total

CVE-2020-13343 7.5 HIGH gitlab 安全漏洞
CVE-2020-13345 5.5 MEDIUM GitLab 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2020-13333

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