In PHP versions 7.2.x below 7.2.31, 7.3.x below 7.3.18 and 7.4.x below 7.4.6, when HTTP file uploads are allowed, supplying overly long filenames or field names could lead PHP engine to try to allocate oversized memory storage, hit the memory limit and stop processing the request, without cleaning up temporary files created by upload request. This potentially could lead to accumulation of uncleaned temporary files exhausting the disk space on the target server.
Published 2020-05-20 08:15:10
Updated 2021-07-22 18:15:21
Source PHP Group
View at NVD,   CVE.org
Vulnerability category: Overflow

Products affected by CVE-2019-11048

  • PHP » PHP
    Versions from including (>=) 7.4.0 and before (<) 7.4.6
    cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
  • PHP » PHP
    Versions from including (>=) 7.3.0 and before (<) 7.3.18
    cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
  • PHP » PHP
    Versions from including (>=) 7.2.0 and before (<) 7.2.31
    cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

Threat overview for CVE-2019-11048

Top countries where our scanners detected CVE-2019-11048
Top open port discovered on systems with this issue 80
IPs affected by CVE-2019-11048 289,732
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-11048!
*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-2019-11048

0.80%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-11048

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
5.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.9
1.4
NIST
5.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.9
1.4
PHP Group

CWE ids for CVE-2019-11048

  • 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)
    • security@php.net (Secondary)
  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by: security@php.net (Secondary)

References for CVE-2019-11048

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