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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
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
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
4.3
AV:N/AC:M/Au:N/C:N/I:N/A:P 2011-07-07 2011-07-07
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-2692 oval:org.opensuse.security:def:20112692 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

http://support.apple.com/kb/HT5002 CONFIRM
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
APPLE APPLE-SA-2011-10-12-3
http://secunia.com/advisories/45415
SECUNIA 45415
http://secunia.com/advisories/45492
SECUNIA 45492
http://www.ubuntu.com/usn/USN-1175-1
UBUNTU USN-1175-1
http://www.redhat.com/support/errata/RHSA-2011-1104.html
REDHAT RHSA-2011:1104
http://secunia.com/advisories/45460
SECUNIA 45460
http://www.debian.org/security/2011/dsa-2287
DEBIAN DSA-2287
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html
FEDORA FEDORA-2011-9336
http://www.redhat.com/support/errata/RHSA-2011-1103.html
REDHAT RHSA-2011:1103
http://secunia.com/advisories/45445
SECUNIA 45445
http://secunia.com/advisories/45461
SECUNIA 45461
http://www.securityfocus.com/bid/48618
BID 48618 libpng PNG File Denial Of Service Vulnerability Release Date:2013-07-30
https://bugzilla.redhat.com/show_bug.cgi?id=720612 CONFIRM
http://www.openwall.com/lists/oss-security/2011/07/13/2
MLIST [oss-security] 20110713 Security issues fixed in libpng 1.5.4
http://sourceforge.net/mailarchive/forum.php?thread_name=003101cc2790%24fb5d6e80%24f2184b80%24%40acm.org&forum_name=png-mng-implement CONFIRM
http://secunia.com/advisories/45046
SECUNIA 45046
http://secunia.com/advisories/45405
SECUNIA 45405
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=61a2d8a2a7b03023e63eae9a3e64607aaaa6d339 CONFIRM
http://www.libpng.org/pub/png/libpng.html CONFIRM
http://www.kb.cert.org/vuls/id/819894
CERT-VN VU#819894
http://www.redhat.com/support/errata/RHSA-2011-1105.html
REDHAT RHSA-2011:1105
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151
MANDRIVA MDVSA-2011:151
http://support.apple.com/kb/HT5281 CONFIRM
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
APPLE APPLE-SA-2012-05-09-1
http://security.gentoo.org/glsa/glsa-201206-15.xml
GENTOO GLSA-201206-15
http://secunia.com/advisories/49660
SECUNIA 49660
https://exchange.xforce.ibmcloud.com/vulnerabilities/68536
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 www.metasploit.com for more information)


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