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CVE-2020-8244

Quick assessment

Affected
n/a bl
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.

npm bl 4.x系列中4.0.3之前版本，3.x系列中3.0.1之前版本，2.x系列中2.2.1之前版本存在安全漏洞，攻击者可以通过恶意输入导致越界读。

AI Predicted 5.3 Difficulty: Moderate EPSS 2.18% · P82

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2020-8244

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it ends up in consume() argument and can become negative, the BufferList state can be corrupted, tricking it into exposing uninitialized memory via regular .slice() calls.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
npm bl 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
npm bl 4.x系列中4.0.3之前版本，3.x系列中3.0.1之前版本，2.x系列中2.2.1之前版本存在安全漏洞，攻击者可以通过恶意输入导致越界读。
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
- bl Fixed in 4.0.3, 3.0.1, 2.2.1, and 1.2.3 -

II. Public POCs for CVE-2020-8244

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III. Intelligence Information for CVE-2020-8244

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Mailing List Discussions for CVE-2020-8244 (1)

Other References for CVE-2020-8244 (1)

Same Patch Batch · n/a · 2020-08-30 · 6 CVEs total

CVE-2020-7712 7.2 HIGH Command Injection
CVE-2020-24104 firmware v28K.Router.20170904中PIX-Link Repeater/Router LV-WR07的跨站脚本漏洞
CVE-2020-24223 Mara CMS 跨站脚本漏洞
CVE-2020-24917 Enhancesoft osTicket 的跨站脚本漏洞
CVE-2020-14352 Librepo 路径遍历漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-126

V. Comments for CVE-2020-8244

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