Out-of-bounds Read 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-PHP70-386467
- published7 Nov 2017
- disclosed7 Nov 2017
Introduced: 7 Nov 2017
CVE-2017-16642 (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.
In PHP before 5.6.32, 7.x before 7.0.25, and 7.1.x before 7.1.11, an error in the date extension's timelib_meridian handling of 'front of' and 'back of' directives could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this is a different issue than CVE-2017-11145.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-16642
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=75055
- https://www.debian.org/security/2018/dsa-4080
- https://www.debian.org/security/2018/dsa-4081
- https://security-tracker.debian.org/tracker/CVE-2017-16642
- https://www.exploit-db.com/exploits/43133/
- https://github.com/derickr/timelib/commit/aa9156006e88565e1f1a5f7cc088b18322d57536
- https://github.com/php/php-src/commit/5c0455bf2c8cd3c25401407f158e820aa3b239e1
- https://security.netapp.com/advisory/ntap-20181123-0001/
- https://access.redhat.com/errata/RHSA-2018:1296
- https://access.redhat.com/errata/RHSA-2019:2519
- http://www.securityfocus.com/bid/101745
- https://usn.ubuntu.com/3566-1/