CVE-2023-0567 (GCVE-0-2023-0567)
Vulnerability from cvelistv5 – Published: 2023-02-16 06:15 – Updated: 2024-08-02 05:17
VLAI
EPSS
VEX
Title
password_verify() always returns true for some invalid hashes
Summary
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.
Severity
7.7 (High)
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| PHP Group | PHP |
Affected:
8.0.x , < 8.0.28
(semver)
Affected: 8.1.x , < 8.1.16 (semver) Affected: 8.2.x , < 8.2.3 (semver) |
|
| php_group | php |
Affected:
8.0.0 , < 80.28
(semver)
Affected: 8.1.0 , < 8.1.16 (semver) Affected: 8.2.0 , < 8.2.3 (semver) cpe:2.3:a:php_group:php:8.0.0:*:*:*:*:*:*:* cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:* cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:* |
Date Public
2023-02-13 05:40
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"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://security.netapp.com/advisory/ntap-20230331-0008/\"}, {\"url\": \"https://bugs.php.net/bug.php?id=81744\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T05:17:50.104Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.1, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-0567\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-01T15:34:47.733360Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:php_group:php:8.0.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:*\", \"cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:*\"], \"vendor\": \"php_group\", \"product\": \"php\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.0.0\", \"lessThan\": \"80.28\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"8.1.0\", \"lessThan\": \"8.1.16\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"8.2.0\", \"lessThan\": \"8.2.3\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-916\", \"description\": \"CWE-916 Use of Password Hash With Insufficient Computational Effort\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-01T15:34:09.505Z\"}}], \"cna\": {\"title\": \"password_verify() always returns true for some invalid hashes\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"remediation developer\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"Tim D\\u00fcsterhus\"}, {\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"tech at mkdgs dot fr\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://github.com/php/php-src\", \"vendor\": \"PHP Group\", \"product\": \"PHP\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.0.x\", \"lessThan\": \"8.0.28\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"8.1.x\", \"lessThan\": \"8.1.16\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"8.2.x\", \"lessThan\": \"8.2.3\", \"versionType\": \"semver\"}], \"defaultStatus\": \"affected\", \"programRoutines\": [{\"name\": \"password_verify\"}]}], \"datePublic\": \"2023-02-13T05:40:00.000Z\", \"references\": [{\"url\": \"https://bugs.php.net/bug.php?id=81744\"}, {\"url\": \"https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cbr\u003e\u003cp\u003eIn PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.\u0026nbsp;\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"dd77f84a-d19a-4638-8c3d-a322d820ed2b\", \"shortName\": \"php\", \"dateUpdated\": \"2023-03-01T05:45:13.020Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-0567\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-02T05:17:50.104Z\", \"dateReserved\": \"2023-01-29T07:45:55.380Z\", \"assignerOrgId\": \"dd77f84a-d19a-4638-8c3d-a322d820ed2b\", \"datePublished\": \"2023-02-16T06:15:50.127Z\", \"assignerShortName\": \"php\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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