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Last updated: 10/23/2014 3:06:14 AM

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Vulnerability Summary for CVE-2007-2756

Original release date: 05/18/2007
Last revised: 11/05/2012
Source: US-CERT/NIST

Overview

The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption) via a crafted PNG image with truncated data, which causes an infinite loop in the png_read_info function in libpng.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
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 disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (05/22/2007)
Red Hat does not consider this flaw to be a security vulnerability. We are not aware of any long running processes using libgd which could not recover from this condition.

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External Source: SECUNIA
Name: 25535
External Source: SECUNIA
Name: 25575
External Source: VUPEN
Name: ADV-2007-3386
External Source: MANDRIVA
Name: MDKSA-2007:187
External Source: SECUNIA
Name: 26871
External Source: SECUNIA
Name: 25378
External Source: OSVDB
Name: 36643
External Source: GENTOO
Name: GLSA-200805-13
External Source: SECUNIA
Name: 25353
External Source: SECUNIA
Name: 25787
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-449.htm
External Source: SECUNIA
Name: 26048
External Source: SECTRACK
Name: 1018187
External Source: SECUNIA
Name: 26895
External Source: SECUNIA
Name: 25658
External Source: REDHAT
Name: RHSA-2007:0891
External Source: TRUSTIX
Name: 2007-0019
External Source: SECUNIA
Name: 25657
External Source: SECUNIA
Name: 25362
External Source: GENTOO
Name: GLSA-200711-34
External Source: SECUNIA
Name: 25590
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1394
External Source: OSVDB
Name: 35788
External Source: VUPEN
Name: ADV-2007-1905
External Source: SLACKWARE
Name: SSA:2007-152-01
External Source: SUSE
Name: SUSE-SR:2007:013
External Source: SECUNIA
Name: 27545
External Source: CONFIRM
Name: http://bugs.libgd.org/?do=details&task_id=86
Type: Patch Information
External Source: TRUSTIX
Name: 2007-0023
External Source: FEDORA
Name: FEDORA-2007-709
External Source: MANDRIVA
Name: MDKSA-2007:123
External Source: HP
Name: HPSBUX02262
External Source: VUPEN
Name: ADV-2007-2336
External Source: SECUNIA
Name: 26390
External Source: HP
Name: SSRT071447
External Source: GENTOO
Name: GLSA-200710-02
External Source: SECUNIA
Name: 29157
External Source: CONFIRM
Name: http://www.libgd.org/ReleaseNote020035
External Source: CONFIRM
Name: http://www.php.net/releases/5_2_3.php
External Source: VUPEN
Name: ADV-2007-2016
External Source: SUSE
Name: SUSE-SA:2007:044
External Source: OPENPKG
Name: OpenPKG-SA-2007.020
External Source: MANDRIVA
Name: MDKSA-2007:124
External Source: SECUNIA
Name: 25855
External Source: SECUNIA
Name: 27110
External Source: OVAL
Name: oval:org.mitre.oval:def:10779
External Source: XF
Name: gd-gdpngreaddata-dos(34420)
External Source: FEDORA
Name: FEDORA-2007-2215
External Source: SECUNIA
Name: 26967
External Source: BID
Name: 24089
External Source: SECUNIA
Name: 30168
External Source: REDHAT
Name: RHSA-2008:0146
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Name: 27102
External Source: VUPEN
Name: ADV-2007-1904
External Source: GENTOO
Name: GLSA-200708-05
External Source: SECUNIA
Name: 25646
External Source: SECUNIA
Name: 26930
External Source: MANDRIVA
Name: MDKSA-2007:122
External Source: SECUNIA
Name: 26231
External Source: SECUNIA
Name: 27037
External Source: REDHAT
Name: RHSA-2007:0889
External Source: REDHAT
Name: RHSA-2007:0890
External Source: UBUNTU
Name: USN-473-1

References to Check Content

Identifier: oval:org.mitre.oval:def:10779
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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