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Vulnerability details: VCID-s3r6-gkc3-aaap
Vulnerability ID VCID-s3r6-gkc3-aaap
Aliases CVE-2018-20783
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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20783.html
generic_textual Medium http://php.net/ChangeLog-5.php
generic_textual Low http://php.net/ChangeLog-7.php
rhas Moderate https://access.redhat.com/errata/RHSA-2020:1624
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20783.json
epss 0.00348 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00348 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00348 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00348 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.00580 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06054 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06054 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06054 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06054 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06054 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06054 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06139 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06652 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06652 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06725 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06725 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06725 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.06725 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.07459 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.11575 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.11575 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
epss 0.16686 https://api.first.org/data/v1/epss?cve=CVE-2018-20783
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1680545
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14851
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14883
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17082
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19518
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19935
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20783
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-20783
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20783
generic_textual Low https://ubuntu.com/security/notices/USN-3566-2
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20783.html
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
https://access.redhat.com/errata/RHSA-2019:2519
https://access.redhat.com/errata/RHSA-2019:3299
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20783.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20783
https://bugs.php.net/bug.php?id=77143
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14883
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17082
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19518
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19935
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20783
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-3566-2
https://usn.ubuntu.com/3566-2/
1680545 https://bugzilla.redhat.com/show_bug.cgi?id=1680545
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
CVE-2018-20783 https://nvd.nist.gov/vuln/detail/CVE-2018-20783
RHSA-2020:1624 https://access.redhat.com/errata/RHSA-2020:1624
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20783.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20783
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20783
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.71470
EPSS Score 0.00348
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.