CVE-2021-28211 — Heap-based Buffer Overflow in EDK II

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds WriteCWE-120 — Classic Buffer Overflow11 documents9 sources
Severity
6.7MEDIUMNVD
OSV7.8
EPSS
0.1%
top 81.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tianocore Edk2Tianocore EDK II
Timeline
PublishedJun 11
Latest updateOct 10

Description

A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages4 packages

▶Debiantianocore/edk2< 2020.11-1+3
▶Ubuntutianocore/edk2< 0~20191122.bd85bf54-2ubuntu3.2
▶NVDtianocore/edk2202008
▶CVEListV5tianocore/edk_iiedk2-stable202008

Patches

Patch: bugzilla.tianocore.org ↗Patch: bugzilla.tianocore.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-9f7r-6p3j-j5wj: A heap overflow in LzmaUefiDecompressGetInfo function in EDK II↗2022-05-24
▶
OSV
CVE-2021-28211: A heap overflow in LzmaUefiDecompressGetInfo function in EDK II↗2021-06-11
▶
CVEList
CVE-2021-28211: A heap overflow in LzmaUefiDecompressGetInfo function in EDK II↗2021-06-11
▶
OSV
edk2 vulnerabilities↗2021-04-20
▶

📋Vendor Advisories

5
Ubuntu
EDK II vulnerabilities↗2024-10-10
▶
Microsoft
A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.↗2021-06-08
▶
Ubuntu
EDK II vulnerabilities↗2021-04-20
▶
Debian
CVE-2021-28211: edk2 - A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.↗2021
▶
Red Hat
edk2: possible heap corruption with LzmaUefiDecompressGetInfo↗2020-11-19
▶

💬Community

1
Bugzilla
CVE-2021-28211 edk2: possible heap corruption with LzmaUefiDecompressGetInfo↗2020-09-29
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CVE-2021-28211 — Heap-based Buffer Overflow in EDK II | cvebase