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I. Basic Information for CVE-2023-40547
Vulnerability Information
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Vulnerability Title
Shim: rce in http boot support may lead to secure boot bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Shim 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
shim是一个SciDB的简单HTTP服务。 Shim 存在缓冲区错误漏洞，该漏洞源于http 启动支持中包含远程代码执行漏洞，可以绕过安全启动。
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
VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 7 0:15.8-3.el7 ~ * cpe:/o:redhat:enterprise_linux:7::server
Red HatRed Hat Enterprise Linux 7 0:15.8-1.el7 ~ * cpe:/o:redhat:enterprise_linux:7::server
Red HatRed Hat Enterprise Linux 8 0:15.8-4.el8_9 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support 0:15.8-2.el8_2 ~ * cpe:/o:redhat:rhel_tus:8.2::baseos
Red HatRed Hat Enterprise Linux 8.2 Telecommunications Update Service 0:15.8-2.el8_2 ~ * cpe:/o:redhat:rhel_tus:8.2::baseos
Red HatRed Hat Enterprise Linux 8.2 Update Services for SAP Solutions 0:15.8-2.el8_2 ~ * cpe:/o:redhat:rhel_tus:8.2::baseos
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:15.8-2.el8_4 ~ * cpe:/o:redhat:rhel_e4s:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service 0:15.8-2.el8_4 ~ * cpe:/o:redhat:rhel_e4s:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions 0:15.8-2.el8_4 ~ * cpe:/o:redhat:rhel_e4s:8.4::baseos
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support 0:15.8-2.el8_6 ~ * cpe:/o:redhat:rhel_eus:8.6::baseos
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support 0:15.8-2.el8 ~ * cpe:/o:redhat:rhel_eus:8.8::baseos
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support 0:15.8-2.el8 ~ * cpe:/o:redhat:rhel_eus:8.8::baseos
Red HatRed Hat Enterprise Linux 9 0:15.8-4.el9_3 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:15.8-3.el9 ~ * cpe:/a:redhat:rhel_eus:9.0::appstream
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:15.8-2.el9 ~ * cpe:/a:redhat:rhel_eus:9.0::appstream
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:15.8-2.el9 ~ * cpe:/a:redhat:rhel_eus:9.0::appstream
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support 0:15.8-3.el9_2 ~ * cpe:/o:redhat:rhel_eus:9.2::baseos
II. Public POCs for CVE-2023-40547
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III. Intelligence Information for CVE-2023-40547
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IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 7
Same vendor: Red Hat
Same weakness: CWE-787
V. Comments for CVE-2023-40547

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