National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-18075 Detail

Current Description

crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.

Source:  MITRE
Description Last Modified:  01/24/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
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
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68 Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/102813 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2948
https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68 Patch
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13 Issue Tracking Release Notes Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-18075
NVD Published Date:
01/24/2018
NVD Last Modified:
10/31/2018