the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  What's the CVSS score of your company?
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2011-2692

The png_handle_sCAL function in pngrutil.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 does not properly handle invalid sCAL chunks, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted PNG image that triggers the reading of uninitialized memory.
Publish Date : 2011-07-17 Last Update Date : 2020-08-06
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
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 ServiceOverflowMemory corruption
CWE ID 119

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:N/AC:M/Au:N/C:N/I:N/A:P 2011-07-07 2011-07-07
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2692 unix
DEPRECATED: ELSA-2011-1105 -- libpng security update (moderate) oval:org.mitre.oval:def:27429 unix
DEPRECATED: ELSA-2011-1104 -- libpng security update (moderate) oval:org.mitre.oval:def:28036 unix
DSA-2287-1 libpng -- several oval:org.mitre.oval:def:12578 unix
ELSA-2011:1104: libpng security update (Moderate) oval:org.mitre.oval:def:22741 unix
ELSA-2011:1105: libpng security update (Moderate) oval:org.mitre.oval:def:22849 unix
RHSA-2011:1103: libpng security update (Moderate) oval:com.redhat.rhsa:def:20111103 unix
RHSA-2011:1104: libpng security update (Moderate) oval:com.redhat.rhsa:def:20111104 unix
RHSA-2011:1104: libpng security update (Moderate) oval:org.mitre.oval:def:21953 unix
RHSA-2011:1105: libpng security update (Moderate) oval:com.redhat.rhsa:def:20111105 unix
RHSA-2011:1105: libpng security update (Moderate) oval:org.mitre.oval:def:21411 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-2011-2692

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 8.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 10.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 10.10 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 11.04 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 5.0 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 6.0 * * * Version Details Vulnerabilities
7 OS Fedoraproject Fedora 14 * * * Version Details Vulnerabilities
8 Application Libpng Libpng * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 2
Fedoraproject Fedora 1
Libpng Libpng 1

- References For CVE-2011-2692 CONFIRM
APPLE APPLE-SA-2011-10-12-3
REDHAT RHSA-2011:1104
REDHAT RHSA-2011:1103
BID 48618 libpng PNG File Denial Of Service Vulnerability Release Date:2013-07-30 CONFIRM
MLIST [oss-security] 20110713 Security issues fixed in libpng 1.5.4 CONFIRM
SECUNIA 45405;a=commit;h=61a2d8a2a7b03023e63eae9a3e64607aaaa6d339 CONFIRM CONFIRM
CERT-VN VU#819894
REDHAT RHSA-2011:1105
APPLE APPLE-SA-2012-05-09-1
GENTOO GLSA-201206-15
XF libpng-png-file-dos(68536)

- Metasploit Modules Related To CVE-2011-2692

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

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.