CVE-2018-1093
Linux Kernel ext4 Out-of-Bounds Read Denial of Service
Description
The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.
INFO
Published Date :
April 2, 2018, 3:29 a.m.
Last Modified :
Aug. 29, 2018, 10:29 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-1093.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-1093 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-1093 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Aug. 29, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3752-3/ [No Types Assigned] -
CVE Modified by [email protected]
Aug. 24, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3754-1/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3752-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3752-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 17, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 13, 2018
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3676-2/ [No Types Assigned] Added Reference https://usn.ubuntu.com/3676-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 03, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html [No Types Assigned] -
CVE Modified by [email protected]
May. 03, 2018
Action Type Old Value New Value Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned] -
Initial Analysis by [email protected]
May. 02, 2018
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1560782 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1560782 Issue Tracking, Third Party Advisory Changed Reference Type http://openwall.com/lists/oss-security/2018/03/29/1 No Types Assigned http://openwall.com/lists/oss-security/2018/03/29/1 Mailing List Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=199181 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=199181 Issue Tracking Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=7dac4a1726a9c64a517d595c40e95e2d0d135f6f Patch Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.15.15
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-1093 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-1093
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} 0.07%
score
0.59596
percentile