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Vulnerability details: VCID-5j32-66q7-aaam
Vulnerability ID VCID-5j32-66q7-aaam
Aliases CVE-2017-12932
Summary ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-12932.html
generic_textual Low http://php.net/ChangeLog-7.php
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12932.json
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epss 0.04648 https://api.first.org/data/v1/epss?cve=CVE-2017-12932
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1484837
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11144
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11145
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11628
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12932
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12933
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12934
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16642
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5711
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5712
cvssv2 5.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 8.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-12932
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-12932
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-12932.html
http://php.net/ChangeLog-7.php
https://access.redhat.com/errata/RHSA-2018:1296
https://access.redhat.com/errata/RHSA-2019:2519
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12932.json
https://api.first.org/data/v1/epss?cve=CVE-2017-12932
https://bugs.php.net/bug.php?id=74103
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11144
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11145
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11628
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12932
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12933
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12934
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16642
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5711
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5712
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4
https://security.gentoo.org/glsa/201709-21
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.debian.org/security/2018/dsa-4080
http://www.securityfocus.com/bid/100427
1484837 https://bugzilla.redhat.com/show_bug.cgi?id=1484837
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cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*
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cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*
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cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:*
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cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*
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cpe:2.3:a:php:php:7.1.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:7.1.8:*:*:*:*:*:*:*
CVE-2017-12932 https://nvd.nist.gov/vuln/detail/CVE-2017-12932
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12932.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: AV:N/AC:H/Au:N/C:P/I:P/A:P Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/PR:N/UI:N/S:U/C:H/I:H/A:H 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:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12932
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:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12932
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 0.74647
EPSS Score 0.00974
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
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