CVE-2023-40548
7.4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
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-190: Integer Overflow or Wraparound
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-2023-40548
- https://bugzilla.redhat.com/show_bug.cgi?id=2241782
- https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
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-2023-40548
- https://bugzilla.redhat.com/show_bug.cgi?id=2241782
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.