CVE-2018-20783 (GCVE-0-2018-20783)
Vulnerability from cvelistv5 – Published: 2019-02-21 19:00 – Updated: 2024-08-05 12:12
VLAI
EPSS
VEX
Summary
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.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
10 references
| URL | Tags |
|---|---|
| http://php.net/ChangeLog-5.php | x_refsource_MISC |
| http://php.net/ChangeLog-7.php | x_refsource_MISC |
| https://bugs.php.net/bug.php?id=77143 | x_refsource_MISC |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/3566-2/ | vendor-advisoryx_refsource_UBUNTU |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://access.redhat.com/errata/RHSA-2019:2519 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2019:3299 | vendor-advisoryx_refsource_REDHAT |
Date Public
2019-02-21 00:00
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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T11:53:55+00:00",
"cve": "CVE-2018-20783",
"id": "CVE-2018-20783",
"initial_release_date": "2018-11-12T00:00:00+00:00",
"product_status:fixed": "1247",
"product_status:known_affected": "87",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "php: Buffer over-read in PHAR reading functions",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-20783.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-01-01T01:02:06Z",
"cve": "CVE-2018-20783",
"id": "CVE-2018-20783",
"initial_release_date": "2023-02-15T04:20:52Z",
"product_status:known_affected": "550",
"product_status:known_not_affected": "853",
"product_status:recommended": "3858",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2018-20783",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-20783.json",
"version": "19"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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