CVE-2017-5677

Description

PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer. It allows remote code execution. In one viewpoint, the root cause is an incorrect regular expression.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 4.29% Top 15%

Vendor Advisory php.net Vendor Advisory php.net

Affected: n/a n/a

References

Link	Tags
http://karmainsecurity.com/KIS-2017-01	third party advisory
http://blog.pear.php.net/2017/02/02/security-html_ajax-058/	vendor advisory
http://seclists.org/fulldisclosure/2017/Feb/12	third party advisory mailing list
http://www.securityfocus.com/bid/96044	vdb entry third party advisory
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f5acb5adcd195f9a06b732794cb0de7620def646	third party advisory
https://pear.php.net/bugs/bug.php?id=21165	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-5677?: CVE-2017-5677 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5677?: To fix CVE-2017-5677, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5677 being actively exploited in the wild?: It is possible that CVE-2017-5677 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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