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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-16642 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 2.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | None |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-php70-php) | RHSA-2018:1296 | 2018-05-03 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-php70-php) | RHSA-2018:1296 | 2018-05-03 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php56-php | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php71-php | Affected |
| Red Hat Enterprise Linux 7 | php | Will not fix |
| Red Hat Enterprise Linux 6 | php | Will not fix |
| Red Hat Enterprise Linux 5 | php53 | Will not fix |
| Red Hat Enterprise Linux 5 | php | Will not fix |
Vulmon