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Last updated: 4/24/2014

CVE Publication rate: 20.6

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-4237

Original release date: 10/09/2013
Last revised: 12/13/2013
Source: US-CERT/NIST

Overview

sysdeps/posix/readdir_r.c in the GNU C Library (aka glibc or libc6) 2.18 and earlier allows context-dependent attackers to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a crafted (1) NTFS or (2) CIFS image.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (HIGH) (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
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: MLIST
Name: [oss-security] 20130812 Re: CVE Request -- glibc: Buffer overwrite when using readdir_r on file systems returning file names longer than NAME_MAX characters
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=995839
Type: Patch Information
External Source: SECUNIA
Name: 55113
External Source: CONFIRM
Name: https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=91ce40854d0b7f865cf5024ef95a8026b76096f3
Type: Patch Information; Exploit
External Source: MANDRIVA
Name: MDVSA-2013:283
External Source: CONFIRM
Name: https://sourceware.org/bugzilla/show_bug.cgi?id=14699
Type: Patch Information
External Source: UBUNTU
Name: USN-1991-1

Technical Details

Vulnerability Type (View All)