Vulnerability Details : CVE-2017-16642
Potential exploit
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.
Products affected by CVE-2017-16642
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*
Threat overview for CVE-2017-16642
Top countries where our scanners detected CVE-2017-16642
Top open port discovered on systems with this issue
80
IPs affected by CVE-2017-16642 540,945
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2017-16642!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2017-16642
0.63%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-16642
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-16642
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-16642
-
https://bugs.php.net/bug.php?id=75055
PHP :: Sec Bug #75055 :: Out-Of-Bounds Read in timelib_meridian()Issue Tracking;Vendor Advisory
-
https://www.exploit-db.com/exploits/43133/
PHP 7.1.8 - Heap Buffer OverflowExploit;Issue Tracking;Third Party Advisory;VDB Entry
-
https://security.netapp.com/advisory/ntap-20181123-0001/
CVE-2017-16642 PHP Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://usn.ubuntu.com/3566-1/
USN-3566-1: PHP vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2519
RHSA-2019:2519 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2018:1296
RHSA-2018:1296 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://www.debian.org/security/2018/dsa-4080
Debian -- Security Information -- DSA-4080-1 php7.0Third Party Advisory
-
http://www.securityfocus.com/bid/101745
PHP CVE-2017-16642 Heap Based Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
-
https://github.com/php/php-src/commit/5c0455bf2c8cd3c25401407f158e820aa3b239e1
Merge branch 'PHP-7.0' into PHP-7.1 · php/php-src@5c0455b · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://www.debian.org/security/2018/dsa-4081
Debian -- Security Information -- DSA-4081-1 php5Third Party Advisory
-
http://php.net/ChangeLog-7.php
PHP: PHP 7 ChangeLogIssue Tracking;Release Notes;Vendor Advisory
-
https://github.com/derickr/timelib/commit/aa9156006e88565e1f1a5f7cc088b18322d57536
Fix parser rule for 'backof' and 'frontof' · derickr/timelib@aa91560 · GitHubIssue Tracking;Patch;Third Party Advisory
-
http://php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLogIssue Tracking;Release Notes;Vendor Advisory
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