Bug 1852030 (CVE-2020-14310)
| Summary: | CVE-2020-14310 grub2: Integer overflow read_section_as_string may lead to heap-based buffer overflow | ||
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| Product: | [Other] Security Response | Reporter: | Marco Benatto <mbenatto> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | bootloader-eng-team, fmartine, lkundrak, pjones, security-response-team |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | grub 2.06 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in grub2. An expected font value is not verified before proceeding with buffer allocations allowing an attacker to use a malicious font file to create an arithmetic overflow, zero-sized allocation, and further heap-based buffer overflow. The highest threat from this vulnerability is to data integrity and system availability.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-07-29 19:27:54 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1854568, 1854569, 1854570, 1854571, 1854572, 1854573, 1854574, 1854575, 1854576, 1854577, 1854578, 1863020 | ||
| Bug Blocks: | 1852004 | ||
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Description
Marco Benatto
2020-06-29 15:36:32 UTC
Acknowledgments: Name: Chris Coulson (Ubuntu Security Team) This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2020:3216 https://access.redhat.com/errata/RHSA-2020:3216 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-14310 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2020:3217 https://access.redhat.com/errata/RHSA-2020:3217 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.1 Extended Update Support Via RHSA-2020:3223 https://access.redhat.com/errata/RHSA-2020:3223 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions Via RHSA-2020:3227 https://access.redhat.com/errata/RHSA-2020:3227 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.2 Advanced Update Support Via RHSA-2020:3273 https://access.redhat.com/errata/RHSA-2020:3273 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.4 Advanced Update Support Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions Red Hat Enterprise Linux 7.4 Telco Extended Update Support Via RHSA-2020:3275 https://access.redhat.com/errata/RHSA-2020:3275 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.6 Extended Update Support Via RHSA-2020:3271 https://access.redhat.com/errata/RHSA-2020:3271 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.3 Advanced Update Support Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions Red Hat Enterprise Linux 7.3 Telco Extended Update Support Via RHSA-2020:3276 https://access.redhat.com/errata/RHSA-2020:3276 This issue has been addressed in the following products: Red Hat Enterprise Linux 7.7 Extended Update Support Via RHSA-2020:3274 https://access.redhat.com/errata/RHSA-2020:3274 Created grub2 tracking bugs for this issue: Affects: fedora-all [bug 1863020] |