The remote NewStart CGSL host, running version MAIN 7.02, has shim packages installed that are affected by multiple vulnerabilities:

  - A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or     possible exposure of sensitive data during the system's boot phase. (CVE-2023-40551)

  - An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue     may expose sensitive data during the system's boot phase. (CVE-2023-40550)

  - 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. (CVE-2023-40546)

  - An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the     load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and     crashing Shim, resulting in a denial of service. (CVE-2023-40549)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1902 advisory.

    The shim package contains a first-stage UEFI boot loader that handles chaining     to a trusted full boot loader under secure boot environments.

    Security Fix(es):

    * shim: RCE in http boot support may lead to Secure Boot bypass (CVE-2023-40547)

    * shim: Interger overflow leads to heap buffer overflow in verify_sbat_section     on 32-bits systems (CVE-2023-40548)

    * shim: Out-of-bounds read printing error messages (CVE-2023-40546)

    * shim: Out-of-bounds read in verify_buffer_authenticode() malformed PE file     (CVE-2023-40549)

    * shim: Out-of-bound read in verify_buffer_sbat() (CVE-2023-40550)

    * shim: out of bounds read when parsing MZ binaries (CVE-2023-40551)

    For more details about the security issue(s), including the impact, a CVSS     score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References     section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1903 advisory.

    The shim package contains a first-stage UEFI boot loader that handles chaining     to a trusted full boot loader under secure boot environments.

    Security Fix(es):

    * shim: RCE in http boot support may lead to Secure Boot bypass (CVE-2023-40547)

    * shim: Interger overflow leads to heap buffer overflow in verify_sbat_section     on 32-bits systems (CVE-2023-40548)

    * shim: Out-of-bounds read printing error messages (CVE-2023-40546)

    * shim: Out-of-bounds read in verify_buffer_authenticode() malformed PE file     (CVE-2023-40549)

    * shim: Out-of-bound read in verify_buffer_sbat() (CVE-2023-40550)

    * shim: out of bounds read when parsing MZ binaries (CVE-2023-40551)

    For more details about the security issue(s), including the impact, a CVSS     score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References     section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1462-1 advisory.

    - Update shim-install to set the TPM2 SRK algorithm (bsc#1213945)
    - Limit the requirement of fde-tpm-helper-macros to the distro with       suse_version 1600 and above (bsc#1219460)

    Update to version 15.8:

    Security issues fixed:

    - mok: fix LogError() invocation (bsc#1215099,CVE-2023-40546)
    - avoid incorrectly trusting HTTP headers (bsc#1215098,CVE-2023-40547)
    - Fix integer overflow on SBAT section size on 32-bit system (bsc#1215100,CVE-2023-40548)
    - Authenticode: verify that the signature header is in bounds (bsc#1215101,CVE-2023-40549)
    - pe: Fix an out-of-bound read in verify_buffer_sbat() (bsc#1215102,CVE-2023-40550)
    - pe-relocate: Fix bounds check for MZ binaries (bsc#1215103,CVE-2023-40551)


    The NX flag is disable which is same as the default value of shim-15.8, hence, not need to enable it by     this patch now.

    - Generate dbx during build so we don't include binary files in sources
    - Don't require grub so shim can still be used with systemd-boot
    - Update shim-install to fix boot failure of ext4 root file system       on RAID10 (bsc#1205855)
    - Adopt the macros from fde-tpm-helper-macros to update the       signature in the sealed key after a bootloader upgrade

    - Update shim-install to amend full disk encryption support
      - Adopt TPM 2.0 Key File for grub2 TPM 2.0 protector
      - Use the long name to specify the grub2 key protector
      - cryptodisk: support TPM authorized policies
      - Do not use tpm_record_pcrs unless the command is in command.lst

    - Removed POST_PROCESS_PE_FLAGS=-N from the build command in shim.spec to       enable the NX compatibility flag when using post-process-pe after       discussed with grub2 experts in mail. It's useful for further development       and testing. (bsc#1205588)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the shim package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a     potential Denial of Service attack Impact summary: Applications loading files in the PKCS12 format from     untrusted sources might terminate abruptly. A file in PKCS12 format can contain certificates and keys and     may come from an untrusted source. The PKCS12 specification allows certain fields to be NULL, but OpenSSL     does not correctly check for this case. This can lead to a NULL pointer dereference that results in     OpenSSL crashing. If an application processes PKCS12 files from an untrusted source using the OpenSSL APIs     then that application will be vulnerable to this issue. OpenSSL APIs that are vulnerable to this are:
    PKCS12_parse(), PKCS12_unpack_p7data(), PKCS12_unpack_p7encdata(), PKCS12_unpack_authsafes() and     PKCS12_newpass(). We have also fixed a similar issue in SMIME_write_PKCS7(). However since this function     is related to writing data we do not consider it security significant. The FIPS modules in 3.2, 3.1 and     3.0 are not affected by this issue.(CVE-2024-0727)

    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.(CVE-2023-40547)

    A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or     possible exposure of sensitive data during the system's boot phase.(CVE-2023-40551)

    A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition     operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is     further used for memory allocation operations, leading to a heap-based buffer overflow. This flaw causes     memory corruption and can lead to a crash or data integrity issues during the boot phase.(CVE-2023-40548)

    An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the     load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and     crashing Shim, resulting in a denial of service.(CVE-2023-40549)

    An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue     may expose sensitive data during the system's boot phase.(CVE-2023-40550)

Tenable has extracted the preceding description block directly from the EulerOS shim security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of AHV installed on the remote host is prior to 20230302.102005. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-20230302.101026 advisory.

  - A crafted NTFS image can trigger a heap-based buffer overflow, caused by an unsanitized attribute in     ntfs_get_attribute_value, in NTFS-3G < 2021.8.22. (CVE-2021-39263)

  - EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers     option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain     unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
    (CVE-2023-45234)

  - Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote     attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the     KeyTrap issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the     protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG     records. (CVE-2023-50387)

  - The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped)     allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC     responses in a random subdomain attack, aka the NSEC3 issue. The RFC 5155 specification implies that an     algorithm must perform thousands of iterations of a hash function in certain situations. (CVE-2023-50868)

  - close_altfile in filename.c in less before 606 omits shell_quote calls for LESSCLOSE. (CVE-2022-48624)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
242792	NewStart CGSL MAIN 7.02 : shim Multiple Vulnerabilities (NS-SA-2025-0179)	Nessus	NewStart CGSL Local Security Checks	2025/7/25	2025/7/25	medium
193659	RHEL 8 : shim (RHSA-2024:1902)	Nessus	Red Hat Local Security Checks	2024/4/20	2024/11/7	high
193660	RHEL 9 : shim update (Important) (RHSA-2024:1903)	Nessus	Red Hat Local Security Checks	2024/4/20	2024/11/7	high
194740	SUSE SLES12 Security Update : shim (SUSE-SU-2024:1462-1)	Nessus	SuSE Local Security Checks	2024/4/30	2026/6/25	high
198178	EulerOS 2.0 SP12 : shim (EulerOS-SA-2024-1776)	Nessus	Huawei Local Security Checks	2024/5/30	2024/5/30	high
206824	Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-20230302.101026)	Nessus	Misc.	2024/9/9	2025/10/6	medium

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