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CVE-2010-4699

5.0 · MEDIUM

The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implement…

Published Jan 18, 2011phpCWE-189EPSS 1.63%

Overview

CVE-2010-4699 is a medium-severity vulnerability affecting php php. It was published on January 18, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implementations, which allows remote attackers to trigger an incomplete output array, and possibly bypass spam detection or have unspecified other impact, via a crafted Subject header in an e-mail message, as demonstrated by the ks_c_5601-1987 character set.

Remediation

Check the references section for vendor advisories and patches from php. Update php to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
phpphp0Affected

References

Refbugs.php.net/52941Refcoding.derkeiler.com/Archive/PHP/php.general/2007-04/msg00605.htmlRefwww.php.net/ChangeLog-5.phpRefexchange.xforce.ibmcloud.com/vulnerabilities/64963Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12393Refbugs.php.net/52941Refcoding.derkeiler.com/Archive/PHP/php.general/2007-04/msg00605.htmlRefwww.php.net/ChangeLog-5.phpRefexchange.xforce.ibmcloud.com/vulnerabilities/64963Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12393

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4699?

CVE-2010-4699 is a medium-severity vulnerability affecting php php. It was published on January 18, 2011 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2010-4699?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-4699?

Check the references section for vendor advisories and patches from php. Update php to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-4699?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4699 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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