EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

redhat RHSA-2024:5297: RHSA-2024:5297: edk2 security update (Moderate)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5297 advisory.

    EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package     contains a sample 64-bit UEFI firmware for QEMU and KVM.

    Security Fix(es):

    * edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)

    * edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)

    * edk2: Temporary DoS vulnerability (CVE-2024-1298)

    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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-5297 advisory.

    - edk2-NetworkPkg-SECURITY-PATCH-CVE-2023-45237.patch [RHEL-21854 RHEL-21856 RHEL-40099]
    - edk2-NetworkPkg-TcpDxe-SECURITY-PATCH-CVE-2023-45236.patch [RHEL-21854 RHEL-21856 RHEL-40099]
    - Resolves: RHEL-21854       (CVE-2023-45236 edk2: Predictable TCP Initial Sequence Numbers [rhel-8])
    - Resolves: RHEL-21856       (CVE-2023-45237 edk2: Use of a Weak PseudoRandom Number Generator [rhel-8])

Tenable has extracted the preceding description block directly from the Oracle 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 AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:4749 advisory.

    * EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765)
    * edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)
    * edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-4749 advisory.

    - edk2-NetworkPkg-SECURITY-PATCH-CVE-2023-45237.patch [RHEL-40270 RHEL-40272]
    - edk2-NetworkPkg-TcpDxe-SECURITY-PATCH-CVE-2023-45236.patch [RHEL-40270 RHEL-40272]
    - Resolves: RHEL-40270       (CVE-2023-45237 edk2: Use of a Weak PseudoRandom Number Generator [rhel-9.4.z])
    - Resolves: RHEL-40272       (CVE-2023-45236 edk2: Predictable TCP Initial Sequence Numbers [rhel-9.4.z])

Tenable has extracted the preceding description block directly from the Oracle 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-2024:4749 advisory.

    EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package     contains a sample 64-bit UEFI firmware for QEMU and KVM.

    Security Fix(es):

    * EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765)

    * edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)

    * edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)

    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.

According to the versions of the edk2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

    EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option     from a DHCPv6 proxy 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-2023-45235)

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can     be exploited by an attacker to gain unauthorized access and potentially lead to a loss of     Confidentiality.(CVE-2023-45234)

    EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or     IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain     unauthorized access and potentially lead to a loss of Confidentiality.(CVE-2023-45229)

    EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in     DHCPv6 client. 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-2023-45230)

    EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in     the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain     unauthorized access and potentially lead to a loss of Availability.(CVE-2023-45232)

    EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the     Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain     unauthorized  access and potentially lead to a loss of Availability.(CVE-2023-45233)

    EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing Neighbor     Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access     and potentially lead to a loss of Confidentiality.(CVE-2023-45231)

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can     be exploited by an attacker to gain unauthorized  access and potentially lead to a loss of     Confidentiality.(CVE-2023-45236)

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can     be exploited by an attacker to gain unauthorized  access and potentially lead to a loss of     Confidentiality.(CVE-2023-45237)

Tenable has extracted the preceding description block directly from the EulerOS Virtualization edk2 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-2024:4419 advisory.

    EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package     contains a sample 64-bit UEFI firmware for QEMU and KVM.

    Security Fix(es):

    * edk2: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message     (CVE-2023-45235)

    * edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message     (CVE-2023-45229)

    * edk2: Out of Bounds read when handling a ND Redirect message with truncated options (CVE-2023-45231)

    * edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236)

    * edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237)

    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 version of edk2 / hvloader installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-45236 advisory.

  - EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can     be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.
    (CVE-2023-45236)

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

ID	Name	Product	Family	Severity
205516	RHEL 8 : edk2 (RHSA-2024:5297)	Nessus	Red Hat Local Security Checks	high
205480	Oracle Linux 8 : edk2 (ELSA-2024-5297)	Nessus	Oracle Linux Local Security Checks	high
204730	AlmaLinux 9 : edk2 (ALSA-2024:4749)	Nessus	Alma Linux Local Security Checks	high
204668	Oracle Linux 9 : edk2 (ELSA-2024-4749)	Nessus	Oracle Linux Local Security Checks	high
203675	RHEL 9 : edk2 (RHSA-2024:4749)	Nessus	Red Hat Local Security Checks	high
202684	EulerOS Virtualization 2.10.0 : edk2 (EulerOS-SA-2024-1996)	Nessus	Huawei Local Security Checks	high
202668	EulerOS Virtualization 2.10.1 : edk2 (EulerOS-SA-2024-2014)	Nessus	Huawei Local Security Checks	high
202012	RHEL 9 : edk2 (RHSA-2024:4419)	Nessus	Red Hat Local Security Checks	high
201563	CBL Mariner 2.0 Security Update: edk2 / hvloader (CVE-2023-45236)	Nessus	MarinerOS Local Security Checks	high

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