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Red Hat Enterprise Linux (shim): Mehrere Schwachstellen
Advisory ansehen veröffentlicht 2024-04-16
Ein lokaler Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux in "shim" ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen, vertrauliche Informationen offenzulegen oder beliebigen Code auszuführen.
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beschreibt (6)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2023-40551US | medium5.1 | — | ||
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. | ||||
| CVE-2023-40550US | medium5.5 | — | ||
An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase. | ||||
| CVE-2023-40549US | medium5.5 | — | ||
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 binar… | ||||
| CVE-2023-40546US | medium5.5 | — | ||
A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however… | ||||
| CVE-2023-40548US | — | — | ||
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 b… | ||||
| CVE-2023-40547US | high8.3 | — | ||
A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craf… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- Oracle Linux Security Advisory ELSA-2024-1903 vom 2024-04-24external
- Red Hat Security Advisory vom 2024-04-16external
- Red Hat Security Advisory vom 2024-04-16external
- Red Hat Security Advisory RHSA-2024:1873 vom 2024-04-18external
- Red Hat Security Advisory RHSA-2024:1876 vom 2024-04-18external
- Red Hat Security Advisory RHSA-2024:1883 vom 2024-04-18external
- Red Hat Security Advisory RHSA-2024:1902 vom 2024-04-18external
- Red Hat Security Advisory RHSA-2024:1903 vom 2024-04-18external
scry
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