Vulnerability Details : CVE-2016-4346

Integer overflow in the str_pad function in ext/standard/string.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long string, leading to a heap-based buffer overflow.
Published 2016-05-22 01:59:21
Updated 2022-07-20 16:56:05
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2016-4346

Threat overview for CVE-2016-4346

Top countries where our scanners detected CVE-2016-4346
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-4346 1,480
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-4346!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-4346

EPSS FAQ
0.70%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-4346

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2016-4346

  • The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-4346

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