CVE-2017-16642

MEDIUM

Description

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://php.net/ChangeLog-5.php

http://php.net/ChangeLog-7.php

http://www.securityfocus.com/bid/101745

https://access.redhat.com/errata/RHSA-2018:1296

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/

https://usn.ubuntu.com/3566-1/

https://www.debian.org/security/2018/dsa-4080

https://www.debian.org/security/2018/dsa-4081

https://www.exploit-db.com/exploits/43133/

Details

Source: MITRE

Published: 2017-11-07

Updated: 2018-11-24

Type: CWE-125

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH