9.1
CRITICAL
CVE-2023-38431
"Apache Linux ksmbd Out-of-Bounds Read Vulnerability"
Description

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.

INFO

Published Date :

July 18, 2023, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 8:13 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-38431 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-38431 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp solidfire_\&_hci_management_node
2 Netapp h300s
3 Netapp h410s
4 Netapp h500s
5 Netapp h700s
1 Linux linux_kernel

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).

None

Updated: 8 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : April 6, 2024, 4:08 p.m. This repo has been linked 19 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-38431 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-38431 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0
    Added Reference https://security.netapp.com/advisory/ntap-20230824-0011/
  • Reanalysis by [email protected]

    Jun. 18, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 6.1.34 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.3.8 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.145 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.34 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.3.8
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Dec. 15, 2023

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20230824-0011/ No Types Assigned https://security.netapp.com/advisory/ntap-20230824-0011/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.8 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 6.1.34 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.3.8
    Added CPE Configuration OR *cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 24, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230824-0011/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 27, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 Release Notes
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0 Patch
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.8
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-38431 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-2023-38431 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.15 }} -0.00%

score

0.51014

percentile

CVSS31 - Vulnerability Scoring System
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