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CVE-2022-2601

Quick assessment

Affected
n/a grub2
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.

grub2是美国GNU社区的一款Linux系统引导程序。 grub2存在安全漏洞，该漏洞源于攻击者可以使用恶意制作的pf2字体实现越界写入导致内存损坏和安全引导规避。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.51% · P41

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a grub2 grub2 2.06 and lower affected
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I. Basic Information for CVE-2022-2601

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
grub2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
grub2是美国GNU社区的一款Linux系统引导程序。 grub2存在安全漏洞，该漏洞源于攻击者可以使用恶意制作的pf2字体实现越界写入导致内存损坏和安全引导规避。
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
- grub2 grub2 2.06 and lower -

II. Public POCs for CVE-2022-2601

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III. Intelligence Information for CVE-2022-2601

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Vendor Advisories for CVE-2022-2601 (3)

Same Patch Batch · n/a · 2022-12-14 · 56 CVEs total

CVE-2022-47411 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47410 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47409 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47408 9.1 CRITICAL TYPO3 安全漏洞
CVE-2022-47407 6.5 MEDIUM TYPO3 安全漏洞
CVE-2022-47406 5.4 MEDIUM TYPO3 代码问题漏洞
CVE-2022-4495 3.5 LOW collective.dms.basecontent column.py renderCell cross site scripting
CVE-2022-46073 Helmet Store Showroom Site 跨站脚本漏洞
CVE-2022-46118 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46119 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46117 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46120 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46121 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46122 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46123 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46124 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46125 Helmet Store Showroom Site SQL注入漏洞
CVE-2022-46609 Python3-RESTfulAPI 安全漏洞
CVE-2022-46344 X.Org X Server 缓冲区错误漏洞
CVE-2022-46443 Bangresto SQL注入漏洞

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: grub2
Same vendor: n/a
Same weakness: CWE-122

V. Comments for CVE-2022-2601

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