National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-4645 Detail

Current Description

Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a denial of service (application crash) via a crafted input, which triggers a stack-based buffer overflow.

Source:  MITRE
Description Last Modified:  03/17/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.html Third Party Advisory
http://www.securityfocus.com/bid/75272 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1234886 Issue Tracking Third Party Advisory VDB Entry
https://github.com/devttys0/sasquatch/pull/5 Third Party Advisory
https://security.gentoo.org/glsa/201701-73 Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-4645
NVD Published Date:
03/17/2017
NVD Last Modified:
04/24/2017