CVE-2016-10161

high-risk

Published 2017-01-24

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.

Do I need to act?

14.6% chance of exploitation in next 30 days

EPSS score — higher than 85% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (17)

Php

Affected Vendors

Php

References (22)

Release Notes http://php.net/ChangeLog-5.php

Release Notes http://php.net/ChangeLog-7.php

http://www.debian.org/security/2017/dsa-3783

Third Party Advisory http://www.securityfocus.com/bid/95768

http://www.securitytracker.com/id/1037659

https://access.redhat.com/errata/RHSA-2018:1296

Issue Tracking https://bugs.php.net/bug.php?id=73825

Issue Tracking https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2

https://security.gentoo.org/glsa/201702-29

https://security.netapp.com/advisory/ntap-20180112-0001/

https://www.tenable.com/security/tns-2017-04

Release Notes http://php.net/ChangeLog-5.php

Release Notes http://php.net/ChangeLog-7.php

http://www.debian.org/security/2017/dsa-3783

Third Party Advisory http://www.securityfocus.com/bid/95768

http://www.securitytracker.com/id/1037659

https://access.redhat.com/errata/RHSA-2018:1296

Issue Tracking https://bugs.php.net/bug.php?id=73825

Issue Tracking https://github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2

https://security.gentoo.org/glsa/201702-29

and 2 more references

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high-risk

Severity 26/34 · High

Exploitability 12/34 · Low

Exposure 19/34 · Moderate