CVE-2020-14309

Katalog CVE

CVSS 6.7 · Medium EPSS 0,48%

Kerentanan Integer Overflow or Wraparound pada gnu grub2, opensuse leap. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

30 Juli 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

6.7 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,48% peluang dieksploitasi; lebih tinggi dari 39,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html mailing list · advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=1852022 issue tracking · advisory pihak ketiga
• https://security.gentoo.org/glsa/202104-05 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20200731-0008/ advisory pihak ketiga
• https://usn.ubuntu.com/4432-1/ advisory pihak ketiga