CVE-2023-40549
6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 | 0:15.8-3.el7 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 7 | 0:15.8-1.el7 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8 | 0:15.8-4.el8_9 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:15.8-2.el8_2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:15.8-2.el8_2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | 0:15.8-2.el8_2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:15.8-2.el8_4 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:15.8-2.el8_4 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:15.8-2.el8_4 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | 0:15.8-2.el8_6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:15.8-2.el8 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:15.8-2.el8 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:15.8-4.el9_3 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:15.8-3.el9 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:15.8-2.el9 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:15.8-2.el9 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:15.8-3.el9_2 < * | unaffected |
Weaknesses
- CWE-125: Out-of-bounds Read
Workarounds
There's no available mitigation for this issue.
ADP Enrichment
CVE Program Container
Additional References
- https://access.redhat.com/errata/RHSA-2024:1834
- https://access.redhat.com/errata/RHSA-2024:1835
- https://access.redhat.com/errata/RHSA-2024:1873
- https://access.redhat.com/errata/RHSA-2024:1876
- https://access.redhat.com/errata/RHSA-2024:1883
- https://access.redhat.com/errata/RHSA-2024:1902
- https://access.redhat.com/errata/RHSA-2024:1903
- https://access.redhat.com/errata/RHSA-2024:1959
- https://access.redhat.com/errata/RHSA-2024:2086
- https://access.redhat.com/security/cve/CVE-2023-40549
- https://bugzilla.redhat.com/show_bug.cgi?id=2241797
- https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://access.redhat.com/errata/RHSA-2024:1834
- https://access.redhat.com/errata/RHSA-2024:1835
- https://access.redhat.com/errata/RHSA-2024:1873
- https://access.redhat.com/errata/RHSA-2024:1876
- https://access.redhat.com/errata/RHSA-2024:1883
- https://access.redhat.com/errata/RHSA-2024:1902
- https://access.redhat.com/errata/RHSA-2024:1903
- https://access.redhat.com/errata/RHSA-2024:1959
- https://access.redhat.com/errata/RHSA-2024:2086
- https://access.redhat.com/security/cve/CVE-2023-40549
- https://bugzilla.redhat.com/show_bug.cgi?id=2241797
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