Out-of-bounds Read Affecting php5 package, versions <5.6.33+dfsg-0+deb8u1
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-DEBIAN8-PHP5-394714
- published18 Aug 2017
- disclosed18 Aug 2017
Introduced: 18 Aug 2017
CVE-2017-12933 (opens in a new tab)How to fix?
Upgrade Debian:8 php5 to version 5.6.33+dfsg-0+deb8u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php5 package and not the php5 package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
References
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=74111
- https://www.debian.org/security/2018/dsa-4080
- https://www.debian.org/security/2018/dsa-4081
- https://security-tracker.debian.org/tracker/CVE-2017-12933
- https://access.redhat.com/errata/RHSA-2018:1296
- http://www.securityfocus.com/bid/99490
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-12933
- https://usn.ubuntu.com/3566-1/
- https://usn.ubuntu.com/3566-2/