漏洞信息
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Vulnerability Title
N/A
Vulnerability Description
There is an issue on grub2 before version 2.06 at function read_section_as_string(). It expects a font name to be at max UINT32_MAX - 1 length in bytes but it doesn't verify it before proceed with buffer allocation to read the value from the font value. An attacker may leverage that by crafting a malicious font file which has a name with UINT32_MAX, leading to read_section_as_string() to an arithmetic overflow, zero-sized allocation and further heap-based buffer overflow.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Vulnerability Type
整数溢出或超界折返
Vulnerability Title
grub2 输入验证错误漏洞
Vulnerability Description
grub2是GNU社区的一款Linux系统引导程序。 grub2 2.06之前版本中的‘read_section_as_string()’函数存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
CVSS Information
N/A
Vulnerability Type
N/A