National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-10840 Detail

Current Description

Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.

Source:  MITRE
Description Last Modified:  07/16/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.6 MEDIUM
Vector: AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 0.7

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840 Exploit Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3752-1/ Third Party Advisory
https://usn.ubuntu.com/3752-2/ Third Party Advisory
https://usn.ubuntu.com/3752-3/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-10840
NVD Published Date:
07/16/2018
NVD Last Modified:
09/17/2018