CVE-2016-10161

Description

The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 30.83% Top 5%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory php.net Vendor Advisory php.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2 issue tracking third party advisory patch
https://bugs.php.net/bug.php?id=73825 issue tracking
https://access.redhat.com/errata/RHSA-2018:1296 vendor advisory
http://php.net/ChangeLog-5.php release notes vendor advisory
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.tenable.com/security/tns-2017-04
http://www.debian.org/security/2017/dsa-3783 vendor advisory
https://security.gentoo.org/glsa/201702-29 vendor advisory
http://php.net/ChangeLog-7.php release notes vendor advisory
http://www.securitytracker.com/id/1037659 vdb entry
http://www.securityfocus.com/bid/95768 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-10161?
CVE-2016-10161 has been scored as a high severity vulnerability.
How to fix CVE-2016-10161?
To fix CVE-2016-10161, 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-2016-10161 being actively exploited in the wild?
It is possible that CVE-2016-10161 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~31% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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