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Vulnerability details: VCID-b883-ecmk-aaas
Vulnerability ID VCID-b883-ecmk-aaas
Aliases CVE-2019-20922
GHSA-62gr-4qp9-h98f
Summary Uncontrolled Resource Consumption Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-400 Uncontrolled Resource Consumption
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-20922.html
rhas Low https://access.redhat.com/errata/RHSA-2020:5179
rhas Moderate https://access.redhat.com/errata/RHSA-2021:2500
rhas Important https://access.redhat.com/errata/RHSA-2021:3917
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20922.json
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00191 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00208 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00208 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00208 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.0025 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
epss 0.00511 https://api.first.org/data/v1/epss?cve=CVE-2019-20922
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1882256
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20922
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-62gr-4qp9-h98f
cvssv3.1 7.5 https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
generic_textual HIGH https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
cvssv2 7.8 https://nvd.nist.gov/vuln/detail/CVE-2019-20922
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-20922
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-20922
cvssv3.1 7.5 https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
generic_textual HIGH https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
cvssv3.1 7.5 https://www.npmjs.com/advisories/1300
generic_textual HIGH https://www.npmjs.com/advisories/1300
cvssv3.1 9.8 https://www.npmjs.com/package/handlebars
generic_textual CRITICAL https://www.npmjs.com/package/handlebars
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-20922.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20922.json
https://api.first.org/data/v1/epss?cve=CVE-2019-20922
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20922
https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
https://www.npmjs.com/advisories/1300
https://www.npmjs.com/package/handlebars
1882256 https://bugzilla.redhat.com/show_bug.cgi?id=1882256
cpe:2.3:a:handlebarsjs:handlebars:*:*:*:*:*:node.js:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:handlebarsjs:handlebars:*:*:*:*:*:node.js:*:*
CVE-2019-20922 https://nvd.nist.gov/vuln/detail/CVE-2019-20922
GHSA-62gr-4qp9-h98f https://github.com/advisories/GHSA-62gr-4qp9-h98f
RHSA-2020:5179 https://access.redhat.com/errata/RHSA-2020:5179
RHSA-2021:2500 https://access.redhat.com/errata/RHSA-2021:2500
RHSA-2021:3917 https://access.redhat.com/errata/RHSA-2021:3917
RHSA-2023:1334 https://access.redhat.com/errata/RHSA-2023:1334
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20922.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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
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:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2019-20922
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-20922
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-20922
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:N/I:N/A:H Found at https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
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:N/I:N/A:H Found at https://www.npmjs.com/advisories/1300
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://www.npmjs.com/package/handlebars
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 0.57235
EPSS Score 0.00191
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.