TianoCore EDK2 up to edk2-stable202405 PeCoffLoaderRelocateImage heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.6 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in TianoCore EDK2 up to edk2-stable202405. Impacted is the function PeCoffLoaderRelocateImage. Performing a manipulation results in heap-based overflow.
This vulnerability is identified as CVE-2024-38796. The attack can only be performed from the local network. There is not any exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical has been found in TianoCore EDK2 up to edk2-stable202405. This affects the function PeCoffLoaderRelocateImage. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
EDK2 contains a vulnerability in the PeCoffLoaderRelocateImage(). An Attacker may cause memory corruption due to an overflow via an adjacent network. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integrity, and/or Availability.
It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2024-38796 since 06/19/2024. The exploitability is told to be easy. The attack can only be done within the local network. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 211772 (RHEL 8 : edk2 (RHSA-2024:9946)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version edk2-stable202411 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (211772) and CERT Bund (WID-SEC-2024-3047). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Oracle Linux
- NetApp FAS
- NetApp AFF
- Lenovo Computer
- Dell PowerEdge
- RESF Rocky Linux
- Insyde UEFI Firmware
- Dell Computer
- TianoCore EDK2
- Dell Avamar
Product
Vendor
Name
Version
Website
- Product: https://github.com/tianocore/edk2/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 5.9
CNA Vector (TianoCore): 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 211772
Nessus Name: RHEL 8 : edk2 (RHSA-2024:9946)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: EDK2 edk2-stable202411
Timeline
06/19/2024 🔍09/28/2024 🔍
09/28/2024 🔍
02/03/2026 🔍
Sources
Product: github.comAdvisory: GHSA-xpcr-7hjq-m6qm
Status: Confirmed
CVE: CVE-2024-38796 (🔍)
GCVE (CVE): GCVE-0-2024-38796
GCVE (VulDB): GCVE-100-278811
CERT Bund: WID-SEC-2024-3047 - TianoCore EDK2: Schwachstelle ermöglicht Denial of Service
Entry
Created: 09/28/2024 05:50Updated: 02/03/2026 15:10
Changes: 09/28/2024 05:50 (63), 11/25/2024 12:52 (2), 12/06/2024 15:39 (1), 09/01/2025 17:40 (7), 02/03/2026 15:08 (2), 02/03/2026 15:10 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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