National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-1920)

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Vulnerability Summary for CVE-2011-1920

Original release date:05/23/2011

Last revised:05/24/2011

Source: US-CERT/NIST

Overview

The make include files in NetBSD before 1.6.2, as used in pmake 1.111 and other products, allow local users to overwrite arbitrary files via a symlink attack on a /tmp/_depend##### temporary file, related to (1) bsd.lib.mk and (2) bsd.prog.mk.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:3.3 (LOW) (AV:L/AC:M/Au:N/C:N/I:P/A:P) (legend)

Impact Subscore: 4.9

Exploitability Subscore: 3.4

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=705100

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=705100

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=705090

Type: Patch Information; Exploit

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=705090

External Source: MLIST

Name: [oss-security] 20110516 Re: CVE Request -- pmake -- Use of insecure temporary file for 'depend' target

Type: Patch Information

Hyperlink:http://openwall.com/lists/oss-security/2011/05/16/8