What is the CVSS score of CVE-2017-16642?

CVE-2017-16642 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 8.3%.

Is there a public PoC exploit available for CVE-2017-16642?

Yes, a public proof-of-concept exploit is available for CVE-2017-16642. Prioritise patching immediately. EPSS: 8.3%.

Is there a patch available for CVE-2017-16642?

Yes, a patch is available for CVE-2017-16642. Update the affected software to the latest version immediately.

PHP CVE-2017-16642

HIGH

Out-of-bounds Read (CWE-125)

2017-11-07 cve@mitre.org

Buffer Overflow PHP Information Disclosure Debian Linux Ubuntu Linux Storage Automation Store Clustered Data Ontap

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Nov 07, 2017 - 21:29 cve.org

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. 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. Affected products include: Php, Debian Debian Linux, Canonical Ubuntu Linux, Netapp Storage Automation Store, Netapp Clustered Data Ontap. Version information: before 5.6.32.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.