Not rated
CVE-2021-3981 A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission…
Description
A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing non privileged users to read its content. This represents a low severity confidentiality issue, as those users can eventually read any encrypted passwords present in grub.cfg. This flaw affects grub2 2.06 and previous versions. This issue has been fixed in grub upstream but no version with the fix is currently released.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| grub2 | Versions not published |
References
- FEDORA-2021-73d63662b0 lists.fedoraproject.org
- bugzilla.redhat.com bugzilla.redhat.com
- GLSA-202209-12 security.gentoo.org
- www.openwall.com www.openwall.com
Timeline
- Published
- Last modified
Other CVEs of grub2
The 14 CVEs of grub2 →
CVE-2022-3775
When rendering certain unicode sequences, grub2's font code doesn't proper validate if the informed glyph's width and…
7.1
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CVE-2022-2601
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8.6
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CVE-2021-3697
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written…
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CVE-2021-3696
A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader
Not rated