National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

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      Last Modified:  01/24/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-18075
Original release date:
01/24/2018
Last revised:
02/09/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.8 High
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
1.8
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68 Issue Tracking; Patch; Third Party Advisory External Source CONFIRM http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68
http://www.securityfocus.com/bid/102813 Third Party Advisory; VDB Entry External Source BID 102813
https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68 Patch External Source CONFIRM https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13 Issue Tracking; Release Notes; Vendor Advisory External Source CONFIRM https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 2 change records found - show changes