National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2018-1083 Detail

Current Description

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.

Source:  MITRE
Description Last Modified:  03/28/2018
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://www.securityfocus.com/bid/103572 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1932
https://access.redhat.com/errata/RHSA-2018:3073
https://bugzilla.redhat.com/show_bug.cgi?id=1557382 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00038.html Third Party Advisory
https://security.gentoo.org/glsa/201805-10
https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7 Patch Third Party Advisory
https://usn.ubuntu.com/3608-1/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1083
NVD Published Date:
03/28/2018
NVD Last Modified:
10/31/2018