vulnwire
7.5high

CVE-2017-9763

The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remot…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.1%
percentile 91%
Public exploits
0
none known

The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file, related to use of a variable-size stack array.

Exploit prediction (EPSS)

4.08% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • github.com /radare/radare2/issues/7723 · x_refsource_CONFIRM, x_transferred
  • git.savannah.gnu.org /cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768 · x_refsource_CONFIRM, x_transferred
  • github.com /radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82edd · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/99141 · vdb-entry, x_refsource_BID, x_transferred

Sources

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