Vulnerability Details : CVE-2018-20783

In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse a .phar file. This is related to phar_parse_pharfile in ext/phar/phar.c.
Published 2019-02-21 19:29:00
Updated 2019-05-22 15:29:03
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2018-20783

Top countries where our scanners detected CVE-2018-20783
Top open port discovered on systems with this issue 80
IPs affected by CVE-2018-20783 438,093
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2018-20783!
*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-2018-20783

Probability of exploitation activity in the next 30 days: 0.58%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 77 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-20783

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.0
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
 NIST

CWE ids for CVE-2018-20783

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-20783

Products affected by CVE-2018-20783

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