Use After Free Affecting php7.0 package, versions <7.0.25-0ubuntu0.16.04.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-PHP70-386347
- published18 Aug 2017
- disclosed18 Aug 2017
Introduced: 18 Aug 2017
CVE-2017-12932 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 php7.0 to version 7.0.25-0ubuntu0.16.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php7.0 package and not the php7.0 package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-12932
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=74103
- https://www.debian.org/security/2018/dsa-4080
- https://security-tracker.debian.org/tracker/CVE-2017-12932
- https://security.gentoo.org/glsa/201709-21
- https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://access.redhat.com/errata/RHSA-2019:2519
- https://access.redhat.com/errata/RHSA-2018:1296
- http://www.securityfocus.com/bid/100427