CVE-2020-14309

Name
CVE-2020-14309
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1852022
Third Party Advisory https://security.netapp.com/advisory/ntap-20200731-0008/
Third Party Advisory https://usn.ubuntu.com/4432-1/
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html
GENTOO https://security.gentoo.org/glsa/202104-05

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* grub2 >= None < 2.06

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
grub edge-main 2.06-r0 Timo Teräs <timo.teras@iki.fi> fixed
grub 3.22-main 2.06-r0 None fixed
grub 3.21-main 2.06-r0 None fixed
grub 3.20-main 2.06-r0 None fixed
grub 3.19-main 2.06-r0 None fixed
grub 3.18-main 2.06-r0 None fixed
grub 3.17-main 2.06-r0 None fixed