- 发布:
- 2024-04-29
- 已更新:
- 2024-04-29
RHSA-2024:2086 - Security Advisory
概述
Important: shim security update
类型/严重性
Security Advisory: Important
Red Hat Insights 补丁分析
识别并修复受此公告影响的系统。
标题
An update for shim is now available for Red Hat Enterprise Linux 8.6 Extended
Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
描述
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.
受影响的产品
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
- Red Hat Enterprise Linux Server - AUS 8.6 x86_64
- Red Hat Enterprise Linux Server - TUS 8.6 x86_64
- Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
修复
- BZ - 2234589 - CVE-2023-40547 shim: RCE in http boot support may lead to Secure Boot bypass
- BZ - 2241782 - CVE-2023-40548 shim: Interger overflow leads to heap buffer overflow in verify_sbat_section on 32-bits systems
- BZ - 2241796 - CVE-2023-40546 shim: Out-of-bounds read printing error messages
- BZ - 2241797 - CVE-2023-40549 shim: Out-of-bounds read in verify_buffer_authenticode() malformed PE file
- BZ - 2259915 - CVE-2023-40550 shim: Out-of-bound read in verify_buffer_sbat()
- BZ - 2259918 - CVE-2023-40551 shim: out of bounds read when parsing MZ binaries
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6
SRPM | |
---|---|
shim-15.8-2.el8_6.src.rpm | SHA-256: f93835212b6a72ecc7f28bb80b5b993018bc0c0cc9124c7b2e2fccc29efe05e6 |
x86_64 | |
shim-ia32-15.8-2.el8_6.x86_64.rpm | SHA-256: 180256e64de3f5f8dc0e3ab04dd2443208720cf9a0c12f2dc02a3cb3fbfcf9d1 |
shim-x64-15.8-2.el8_6.x86_64.rpm | SHA-256: 20da07c3404ff3273a63740bea09117b536da2029619a32143aa72b063b0fb4e |
Red Hat Enterprise Linux Server - AUS 8.6
SRPM | |
---|---|
shim-15.8-2.el8_6.src.rpm | SHA-256: f93835212b6a72ecc7f28bb80b5b993018bc0c0cc9124c7b2e2fccc29efe05e6 |
x86_64 | |
shim-ia32-15.8-2.el8_6.x86_64.rpm | SHA-256: 180256e64de3f5f8dc0e3ab04dd2443208720cf9a0c12f2dc02a3cb3fbfcf9d1 |
shim-x64-15.8-2.el8_6.x86_64.rpm | SHA-256: 20da07c3404ff3273a63740bea09117b536da2029619a32143aa72b063b0fb4e |
Red Hat Enterprise Linux Server - TUS 8.6
SRPM | |
---|---|
shim-15.8-2.el8_6.src.rpm | SHA-256: f93835212b6a72ecc7f28bb80b5b993018bc0c0cc9124c7b2e2fccc29efe05e6 |
x86_64 | |
shim-ia32-15.8-2.el8_6.x86_64.rpm | SHA-256: 180256e64de3f5f8dc0e3ab04dd2443208720cf9a0c12f2dc02a3cb3fbfcf9d1 |
shim-x64-15.8-2.el8_6.x86_64.rpm | SHA-256: 20da07c3404ff3273a63740bea09117b536da2029619a32143aa72b063b0fb4e |
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6
SRPM | |
---|---|
shim-15.8-2.el8_6.src.rpm | SHA-256: f93835212b6a72ecc7f28bb80b5b993018bc0c0cc9124c7b2e2fccc29efe05e6 |
aarch64 | |
shim-aa64-15.8-2.el8_6.aarch64.rpm | SHA-256: 269357ebda5e33bb72749f6e55e62db6162b27f48b606f70d217203c8edb4e2b |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6
SRPM | |
---|---|
shim-15.8-2.el8_6.src.rpm | SHA-256: f93835212b6a72ecc7f28bb80b5b993018bc0c0cc9124c7b2e2fccc29efe05e6 |
x86_64 | |
shim-ia32-15.8-2.el8_6.x86_64.rpm | SHA-256: 180256e64de3f5f8dc0e3ab04dd2443208720cf9a0c12f2dc02a3cb3fbfcf9d1 |
shim-x64-15.8-2.el8_6.x86_64.rpm | SHA-256: 20da07c3404ff3273a63740bea09117b536da2029619a32143aa72b063b0fb4e |
Red Hat 安全团队联络方式为 [email protected]。 更多联络细节请参考 https://access.redhat.com/security/team/contact/。