CVE detail
CVE-2023-4692
An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 26.4 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
13 source links · newest first
- https://security.netapp.com/advisory/ntap-20231208-0002/security.netapp.com
No excerpt available.
Vendor Advisorysecurity.netapp.comOct 25, 2023, 6:17 PM - https://security.gentoo.org/glsa/202311-14security.gentoo.org
No excerpt available.
Vendor Advisorysecurity.gentoo.orgOct 25, 2023, 6:17 PM - https://lists.fedoraproject.org/archives/list/[email protected]/message/PERFILCHFEUGG3OAMC6W55P6DDIBZK4Q/lists.fedoraproject.org
No excerpt available.
Third Party Advisorylists.fedoraproject.orgOct 25, 2023, 6:17 PM - https://lists.fedoraproject.org/archives/list/[email protected]/message/OIRJ5UZRXX2KLR4IKBJEQUNGOCXMMDLY/lists.fedoraproject.org
No excerpt available.
Third Party Advisorylists.fedoraproject.orgOct 25, 2023, 6:17 PM - https://lists.fedoraproject.org/archives/list/[email protected]/message/FUU42E7CPYLATXOYVYNW6YTXXULAOV6L/lists.fedoraproject.org
No excerpt available.
Third Party Advisorylists.fedoraproject.orgOct 25, 2023, 6:17 PM No excerpt available.
Vendor Advisorylists.debian.orgOct 25, 2023, 6:17 PM- https://seclists.org/oss-sec/2023/q4/37seclists.org
No excerpt available.
Exploitseclists.orgOct 25, 2023, 6:17 PM No excerpt available.
Exploitlists.gnu.orgOct 25, 2023, 6:17 PM- https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/dfir.ru
No excerpt available.
Exploitdfir.ruOct 25, 2023, 6:17 PM - https://bugzilla.redhat.com/show_bug.cgi?id=2236613bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comOct 25, 2023, 6:17 PM - https://access.redhat.com/security/cve/CVE-2023-4692access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comOct 25, 2023, 6:17 PM - https://access.redhat.com/errata/RHSA-2024:3184access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comOct 25, 2023, 6:17 PM - https://access.redhat.com/errata/RHSA-2024:2456access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comOct 25, 2023, 6:17 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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