CVE-2018-20783
CVSS v3
7.5
HIGH
EPSS Score
6.5 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2019-02-21
Frequently asked questions
What is 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.
Is CVE-2018-20783 actively exploited?
Active exploitation of CVE-2018-20783 has not been confirmed. The EPSS score is 6.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-20783?
CVE-2018-20783 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-20783 affecting your environment?
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