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CVE-2023-40546— Shim: out-of-bounds read printing error messages

CVSS 6.2 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2023-40546

Vulnerability Information
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Vulnerability Title
Shim: out-of-bounds read printing error messages
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
shim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
shim是一个SciDB的简单HTTP服务。 shim存在安全漏洞，该漏洞源于存在越界读取问题。
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::client
Red HatRed Hat Enterprise Linux 7 0:15.8-1.el7 ~ * cpe:/o:redhat:enterprise_linux:7::client
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_tus:8.4::baseos
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service 0:15.8-2.el8_4 ~ * cpe:/o:redhat:rhel_tus: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_tus: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:/o:redhat:rhel_eus:9.0::baseos
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:15.8-2.el9 ~ * cpe:/o:redhat:rhel_eus:9.0::baseos
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support 0:15.8-2.el9 ~ * cpe:/o:redhat:rhel_eus:9.0::baseos
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-2023-40546

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III. Intelligence Information for CVE-2023-40546

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Vendor Advisories for CVE-2023-40546 (11)

Mailing List Discussions for CVE-2023-40546 (1)

Same Patch Batch · Red Hat · 2024-01-29 · 5 CVEs total

CVE-2023-405487.4 HIGHShim: interger overflow leads to heap buffer overflow in verify_sbat_section on 32-bits sy
CVE-2023-405496.2 MEDIUMShim: out-of-bounds read in verify_buffer_authenticode() malformed pe file
CVE-2023-405505.5 MEDIUMShim: out-of-bound read in verify_buffer_sbat()
CVE-2023-405515.1 MEDIUMShim: out of bounds read when parsing mz binaries

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 7
Same vendor: Red Hat
Same weakness: CWE-476

V. Comments for CVE-2023-40546

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