National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-1100 Detail

Current Description

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

Source:  MITRE
Description Last Modified:  04/11/2018
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
https://access.redhat.com/errata/RHSA-2018:1932
https://access.redhat.com/errata/RHSA-2018:3073
https://bugzilla.redhat.com/show_bug.cgi?id=1563395 Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/201805-10
https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/ Patch
https://usn.ubuntu.com/3764-1/

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*    versions up to (including) 5.4.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1100
NVD Published Date:
04/11/2018
NVD Last Modified:
10/31/2018