CVE-2023-40546— Shim: out-of-bounds read printing error messages
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 | 0:15.8-3.el7 ~ * | cpe:/o:redhat:enterprise_linux:7::client | |
| Red Hat | Red Hat Enterprise Linux 7 | 0:15.8-1.el7 ~ * | cpe:/o:redhat:enterprise_linux:7::client | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:15.8-4.el8_9 ~ * | cpe:/o:redhat:enterprise_linux:8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:15.8-2.el8_2 ~ * | cpe:/o:redhat:rhel_tus:8.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:15.8-2.el8_2 ~ * | cpe:/o:redhat:rhel_tus:8.2::baseos | |
| Red Hat | Red 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 Hat | Red 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 Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:15.8-2.el8_4 ~ * | cpe:/o:redhat:rhel_tus:8.4::baseos | |
| Red Hat | Red 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 Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | 0:15.8-2.el8_6 ~ * | cpe:/o:redhat:rhel_eus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:15.8-2.el8 ~ * | cpe:/o:redhat:rhel_eus:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:15.8-2.el8 ~ * | cpe:/o:redhat:rhel_eus:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:15.8-4.el9_3 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:15.8-3.el9 ~ * | cpe:/o:redhat:rhel_eus:9.0::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:15.8-2.el9 ~ * | cpe:/o:redhat:rhel_eus:9.0::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:15.8-2.el9 ~ * | cpe:/o:redhat:rhel_eus:9.0::baseos | |
| Red Hat | Red 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
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Red Hat · 2024-01-29 · 5 CVEs total
| CVE-2023-40548 | 7.4 HIGH | Shim: interger overflow leads to heap buffer overflow in verify_sbat_section on 32-bits sy |
| CVE-2023-40549 | 6.2 MEDIUM | Shim: out-of-bounds read in verify_buffer_authenticode() malformed pe file |
| CVE-2023-40550 | 5.5 MEDIUM | Shim: out-of-bound read in verify_buffer_sbat() |
| CVE-2023-40551 | 5.1 MEDIUM | Shim: out of bounds read when parsing mz binaries |
IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 7
- CVE-2026-2239
Gimp: gimp: application crash (dos) via crafted psd file due - CVE-2023-40551
Shim: out of bounds read when parsing mz binaries - CVE-2023-40549
Shim: out-of-bounds read in verify_buffer_authenticode() mal - CVE-2023-40550
Shim: out-of-bound read in verify_buffer_sbat() - CVE-2023-40548
Shim: interger overflow leads to heap buffer overflow in ver
Same vendor: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
Same weakness: CWE-476
- CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer - CVE-2026-7259
Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
NULL pointer dereference in SOAP apache:Map decoder with mis - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
V. Comments for CVE-2023-40546
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