CVE-2017-16642

    Dashboard / Vulnerabilities / CVE-2017-16642

    CVE-2017-16642

    Published: 7 Nov 2017Last Modified: 7 Aug 2026

    Summary:

    Details: 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://www.securityfocus.com/bid/101745, https://access.redhat.com/errata/RHSA-2018:1296, https://access.redhat.com/errata/RHSA-2019:2519, 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, http://php.net/ChangeLog-5.php, http://php.net/ChangeLog-7.php, https://bugs.php.net/bug.php?id=75055, https://www.exploit-db.com/exploits/43133/, https://github.com/derickr/timelib/commit/aa9156006e88565e1f1a5f7cc088b18322d57536, https://github.com/php/php-src/commit/5c0455bf2c8cd3c25401407f158e820aa3b239e1

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -aa9156006e88565e1f1a5f7cc088b18322d57536

    Affected versions

    2017.05beta6

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High