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Vulnerability Details : CVE-2007-2756

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.
Publish Date : 2007-05-18 Last Update Date : 2017-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

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.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2007-05-21 2007-05-16
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2007-2756 unix
ELSA-2007:0890: php security update (Moderate) oval:org.mitre.oval:def:22339 unix
ELSA-2008:0146: gd security update (Moderate) oval:org.mitre.oval:def:21803 unix
RHSA-2007:0889: php security update (Moderate) oval:com.redhat.rhsa:def:20070889 unix
RHSA-2007:0890: php security update (Moderate) oval:com.redhat.rhsa:def:20070890 unix
RHSA-2008:0146: gd security update (Moderate) oval:com.redhat.rhsa:def:20080146 unix
The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial of service (CPU consumption)... oval:org.mitre.oval:def:10779 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-2756

# Product Type Vendor Product Version Update Edition Language
1 Application Libgd Libgd 2.0.34 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Libgd Libgd 1

- References For CVE-2007-2756
VUPEN ADV-2007-3386
XF gd-gdpngreaddata-dos(34420)
VUPEN ADV-2007-2336
VUPEN ADV-2007-2016
VUPEN ADV-2007-1904
VUPEN ADV-2007-1905
TRUSTIX 2007-0023
REDHAT RHSA-2007:0890
REDHAT RHSA-2007:0891
REDHAT RHSA-2008:0146
BID 24089 GD Graphics Library PNG File Processing Denial of Service Vulnerability Release Date:2008-05-13
SECTRACK 1018187
SUSE SUSE-SR:2007:013
OPENPKG OpenPKG-SA-2007.020
GENTOO GLSA-200710-02
GENTOO GLSA-200805-13
GENTOO GLSA-200711-34
GENTOO GLSA-200708-05
REDHAT RHSA-2007:0889

- Metasploit Modules Related To CVE-2007-2756

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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