edk2: Insufficient input validation in MdeModulePkg may lead to privilege escalation
Published Jul 14, 2021
6.8
MEDIUMCVSS 3.1
EPSS 0.34%
Description
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
Affected products
- Vendor n/a Product Tianocore Defaultn/a
- Version See referencesStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Tianocore | n/a |
|
No data.
Red Hat Enterprise Linux 7
ovmf
Out of support scope
Red Hat Enterprise Linux 8
edk2
Affected
Red Hat Enterprise Linux 9
edk2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | ovmf | Out of support scope | n/a |
| Red Hat Enterprise Linux 8 | edk2 | Affected | n/a |
| Red Hat Enterprise Linux 9 | edk2 | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Within Red Hat Enterprise Linux, edk2 is used only on virtualized systems, thus in this context the attacker needs to be a local user of the host system who have already the ability to compromise the guests systems. For this reason, this flaw has a Low Impact on both Red Hat Enterprise Linux 7 and 8.
References (5)
- https://access.redhat.com/security/cve/CVE-2019-11098 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2007434 Issue Tracking
- https://edk2-docs.gitbook.io/security-advisory/bootguard-toctou-vulnerability x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-11098
- https://www.cve.org/CVERecord?id=CVE-2019-11098
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-11098 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2007434 | Issue Tracking | |
| https://edk2-docs.gitbook.io/security-advisory/bootguard-toctou-vulnerability | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-11098 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-11098 |
Change history (0)
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