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CVE
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CVE-2017-16642Date: (C)2017-11-08   (M)2024-02-19


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
BID-101745
EXPLOIT-DB-43133
DSA-4080
DSA-4081
RHSA-2018:1296
RHSA-2019:2519
USN-3566-1
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
https://bugs.php.net/bug.php?id=75055
https://github.com/derickr/timelib/commit/aa9156006e88565e1f1a5f7cc088b18322d57536
https://github.com/php/php-src/commit/5c0455bf2c8cd3c25401407f158e820aa3b239e1
https://security.netapp.com/advisory/ntap-20181123-0001/

CPE    4
cpe:/o:debian:debian_linux:9.0
cpe:/o:debian:debian_linux:8.0
cpe:/a:php:php
cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~
...
CWE    1
CWE-125
OVAL    10
oval:org.secpod.oval:def:2102311
oval:org.secpod.oval:def:76684
oval:org.secpod.oval:def:89002133
oval:org.secpod.oval:def:505023
...

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