CVE-2020-14309
Summary
| CVE | CVE-2020-14309 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-07-30 13:15:00 UTC |
| Updated | 2022-04-28 18:58:00 UTC |
| Description | There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size allocation further causing a heap-based buffer overflow with attacker controlled data. |
Risk And Classification
Problem Types: CWE-787 | CWE-190
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| July 2020 Grub2 Vulnerabilities in NetApp Products | NetApp Product Security | CONFIRM | security.netapp.com | 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 | Third Party Advisory |
| 1852022 – (CVE-2020-14309) CVE-2020-14309 grub2: Integer overflow in grub_squash_read_symlink may lead to heap-based buffer overflow | MISC | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| 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
- 901013 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (6457-1)
- 903689 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (1823)
- 906208 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (1823-1)
- 906381 Common Base Linux Mariner (CBL-Mariner) Security Update for grub2 (6457-2)