CVE-2024-45777

Grub2: grub-core/gettext: integer overflow leads to heap oob write.

Description

A flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2's sensitive heap data, eventually leading to the circumvention of secure boot protections.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory redhat.com Third-Party Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat OpenShift Container Platform 4
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2024-45777 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2346343 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2024-45777?
CVE-2024-45777 has been scored as a medium severity vulnerability.
How to fix CVE-2024-45777?
To fix CVE-2024-45777, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-45777 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-45777 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-45777?
CVE-2024-45777 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat OpenShift Container Platform 4.
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