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Vulnerability details: VCID-aerx-h83k-aaaf
Vulnerability ID VCID-aerx-h83k-aaaf
Aliases CVE-2017-9227
Summary An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-9227.html
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-9227.json
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2017-9227
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1466739
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9227
cvssv2 2.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-9227
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-9227
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-9227
generic_textual Medium https://ubuntu.com/security/notices/USN-3382-1
generic_textual Medium https://ubuntu.com/security/notices/USN-3382-2
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-9227.html
https://access.redhat.com/errata/RHSA-2018:1296
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-9227.json
https://api.first.org/data/v1/epss?cve=CVE-2017-9227
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9227
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814
https://github.com/kkos/oniguruma/issues/58
https://ubuntu.com/security/notices/USN-3382-1
https://ubuntu.com/security/notices/USN-3382-2
http://www.securityfocus.com/bid/100538
1466739 https://bugzilla.redhat.com/show_bug.cgi?id=1466739
863315 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863315
cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:*:*:*:*:*:*:*
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:a:php:php:*:*:*:*:*:oniguruma-mod:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:php:php:*:*:*:*:*:oniguruma-mod:*:*
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:oniguruma-mod:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:oniguruma-mod:*:*
CVE-2017-9227 https://nvd.nist.gov/vuln/detail/CVE-2017-9227
USN-3382-1 https://usn.ubuntu.com/3382-1/
USN-3382-2 https://usn.ubuntu.com/3382-2/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-9227.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:L/AC:L/Au:N/C:N/I:N/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:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L 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-2017-9227
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:3.1/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-2017-9227
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:3.1/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-2017-9227
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 0.42678
EPSS Score 0.00227
Published At April 13, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.