CVE-2012-4432: Use After Free
First published: Mon Oct 01 2012(Updated: )
Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to "palette reduction."
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OptiPNG | =0.7.0 | |
| OptiPNG | =0.7.1 | |
| OptiPNG | =0.7.2 | |
| OptiPNG | =hg |
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Reference Links
- http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
- http://optipng.sourceforge.net/
- http://secunia.com/advisories/50654
- http://sourceforge.net/news/?group_id=151404
- http://www.openwall.com/lists/oss-security/2012/09/17/5
- http://www.openwall.com/lists/oss-security/2012/09/18/2
- http://www.securityfocus.com/bid/55566
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78743
Frequently Asked Questions
What is the severity of CVE-2012-4432?
CVE-2012-4432 is classified as a critical vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2012-4432?
To fix CVE-2012-4432, upgrade OptiPNG to version 0.7.3 or higher.
What software is affected by CVE-2012-4432?
CVE-2012-4432 affects OptiPNG versions 0.7.0, 0.7.1, 0.7.2, and the hg version.
What type of vulnerability is CVE-2012-4432?
CVE-2012-4432 is classified as a use-after-free vulnerability.
Can CVE-2012-4432 be exploited remotely?
Yes, CVE-2012-4432 can be exploited remotely by attackers through specific vectors related to palette reduction.
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/remedy
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/optipng
- canonical/optipng
- version/optipng/0.7.0
- version/optipng/0.7.1
- version/optipng/0.7.2
- version/optipng/hg