CVE-2020-14311
Summary
| CVE | CVE-2020-14311 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-07-31 22:15:00 UTC |
| Updated | 2023-11-07 03:17:00 UTC |
| Description | There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow. |
Risk And Classification
Problem Types: CWE-190 | CWE-122
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 20.04 | All | All | All |
| Application | Gnu | Grub2 | All | All | All | All |
| Application | Gnu | Grub2 | All | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 8.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 8.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 8.1 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 8.2 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 8.1 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 8.2 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Aus | 8.2 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Aus | 8.2 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Tus | 8.2 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Tus | 8.2 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - Re: Containers-optimized OS (COS) membership in the linux-distros list | MLIST | www.openwall.com | |
| oss-security - Re: Containers-optimized OS (COS) membership in the linux-distros list | MLIST | www.openwall.com | |
| 1852014 – (CVE-2020-14311) CVE-2020-14311 grub2: Integer overflow in grub_ext2_read_link leads to heap-based buffer overflow | CONFIRM | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:1168-1: important: Security update | SUSE | lists.opensuse.org | |
| [security-announce] openSUSE-SU-2020:1169-1: important: Security update | SUSE | lists.opensuse.org | |
| GRUB: Multiple vulnerabilities (GLSA 202104-05) — Gentoo security | GENTOO | security.gentoo.org | |
| USN-4432-1: GRUB 2 vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | |
| oss-security - Containers-optimized OS (COS) membership in the linux-distros list | MLIST | www.openwall.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 377345 Alibaba Cloud Linux Security Update for grub2 (ALINUX3-SA-2022:0064)
- 377367 Alibaba Cloud Linux Security Update for grub2 (ALINUX3-SA-2021:0026)
- 377533 Alibaba Cloud Linux Security Update for grub2 (ALINUX2-SA-2020:0108)
- 502730 Alpine Linux Security Update for grub
- 710015 Gentoo Linux GRUB Multiple Vulnerabilities (GLSA 202104-05)
- 900056 CBL-Mariner Linux Security Update for grub2 2.06~rc1
- 901677 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (6459-1)
- 903552 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (2557)
- 905793 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (2557-1)
- 906281 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (6459-2)