Description
A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-26981 | A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12. |
Ubuntu USN |
USN-6355-1 | GRUB2 vulnerabilities |
References
History
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:01:08.303Z
Reserved: 2021-08-10T00:00:00.000Z
Link: CVE-2021-3696
No data.
Status : Modified
Published: 2022-07-06T16:15:08.270
Modified: 2024-11-21T06:22:10.657
Link: CVE-2021-3696
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Ubuntu USN