CVE-2022-1923

Katalog CVE

CVSS 7.8 · High EPSS 0,43%

Kerentanan Heap-based Buffer Overflow pada gstreamer, debian linux. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

DOS / potential heap overwrite in mkv demuxing using bzip decompression. Integer overflow in matroskademux element in bzip decompression function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite. If the libc uses mmap for large chunks, and the OS supports mmap, then it is just a segfault (because the realloc before the integer overflow will use mremap to reduce the size of the chunk, and it will start to write to unmapped memory). However, if using a libc implementation that does not use mmap, or if the OS does not support mmap while using libc, then this could result in a heap overwrite.

Rincian

Terbit di NVD

19 Juli 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow
CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

0,43% peluang dieksploitasi; lebih tinggi dari 35,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1225 exploit · issue tracking · patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/08/msg00001.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5204 advisory pihak ketiga