CVE-2023-40551
Shim: out of bounds read when parsing mz binaries
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.1EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
29 Jan 2024Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Affected products
Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat · Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://access.redhat.com/errata/RHSA-2024:1834https://access.redhat.com/errata/RHSA-2024:1835https://access.redhat.com/errata/RHSA-2024:1873https://access.redhat.com/errata/RHSA-2024:1876https://access.redhat.com/errata/RHSA-2024:1883https://access.redhat.com/errata/RHSA-2024:1902https://access.redhat.com/errata/RHSA-2024:1903https://access.redhat.com/errata/RHSA-2024:1959https://access.redhat.com/errata/RHSA-2024:2086https://access.redhat.com/security/cve/CVE-2023-40551https://bugzilla.redhat.com/show_bug.cgi?id=2259918https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html