National Vulnerability Database (NVD) National Vulnerability Database (CVE-2012-4527)

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Vulnerability Summary for CVE-2012-4527

Original release date:11/21/2012

Last revised:11/29/2012

Source: US-CERT/NIST

Overview

Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name. NOTE: it is not clear whether this is a vulnerability.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: MISC

Name: https://bugzilla.redhat.com/show_bug.cgi?id=867790

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=867790

External Source: MLIST

Name: [oss-security] 20121119 Re: CVE Request -- mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names

Hyperlink:http://www.openwall.com/lists/oss-security/2012/11/20/1

External Source: MLIST

Name: [oss-security] 20121018 CVE Request -- mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names

Hyperlink:http://www.openwall.com/lists/oss-security/2012/10/18/9

External Source: MLIST

Name: [oss-security] 20121018 Re: CVE Request -- mcrypt: stack-based buffer overflow by encryption / decryption of overly long file names

Hyperlink:http://www.openwall.com/lists/oss-security/2012/10/18/12