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Last updated: 4/15/2014

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Vulnerability Summary for CVE-2009-3895

Original release date: 11/20/2009
Last revised: 11/23/2009
Source: US-CERT/NIST

Overview

Heap-based buffer overflow in the exif_entry_fix function (aka the tag fixup routine) in libexif/exif-entry.c in libexif 0.6.18 allows remote attackers to cause a denial of service or possibly execute arbitrary code via an invalid EXIF image. NOTE: some of these details are obtained from third party information.

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; 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

Vendor Statements (disclaimer)

Official Statement from Red Hat (11/23/2009)
Not vulnerable. This issue did not affect the versions of libexif as shipped with Red Hat Enterprise Linux 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://libexif.cvs.sourceforge.net/viewvc/libexif/libexif/NEWS?view=markup&pathrev=libexif-0_6_19-release
Type: Patch Information
External Source: CONFIRM
Name: http://bugs.debian.org/557137
External Source: VUPEN
Name: ADV-2009-3243
Type: Advisory
External Source: MLIST
Name: [libexif-devel] 20091113 libexif project security advisory
External Source: XF
Name: libexif-exifentryfix-bo(54275)
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=293190
External Source: OSVDB
Name: 59956
External Source: SECUNIA
Name: 37378
Type: Advisory
External Source: MLIST
Name: [oss-security] 20091119 CVE assignment (libexif)
External Source: BID
Name: 37022

Technical Details

Vulnerability Type (View All)