cve-2022-24735
Vulnerability from cvelistv5
Published
2022-04-27 19:43
Modified
2024-08-03 04:20
Severity ?
3.9 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS score ?
2.27% (0.83156)
Summary
Redis is an in-memory database that persists on disk. By exploiting weaknesses in the Lua script execution environment, an attacker with access to Redis prior to version 7.0.0 or 6.2.7 can inject Lua code that will execute with the (potentially higher) privileges of another Redis user. The Lua script execution environment in Redis provides some measures that prevent a script from creating side effects that persist and can affect the execution of the same, or different script, at a later time. Several weaknesses of these measures have been publicly known for a long time, but they had no security impact as the Redis security model did not endorse the concept of users or privileges. With the introduction of ACLs in Redis 6.0, these weaknesses can be exploited by a less privileged users to inject Lua code that will execute at a later time, when a privileged user executes a Lua script. The problem is fixed in Redis versions 7.0.0 and 6.2.7. An additional workaround to mitigate this problem without patching the redis-server executable, if Lua scripting is not being used, is to block access to `SCRIPT LOAD` and `EVAL` commands using ACL rules.
References
security-advisories@github.comhttps://github.com/redis/redis/pull/10651Exploit, Third Party Advisory
security-advisories@github.comhttps://github.com/redis/redis/releases/tag/6.2.7Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/redis/redis/releases/tag/7.0.0Release Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/redis/redis/security/advisories/GHSA-647m-2wmq-qmvqThird Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4ZK3675DGHVVDOFLJN7WX6YYH27GPMK/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPYKSG7LKUJGVM2P72EHXKVRVRWHLORX/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSTPUCAPBRHIFPSCOURR4OYX4E2OISAF/
security-advisories@github.comhttps://security.gentoo.org/glsa/202209-17Third Party Advisory
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20220715-0003/Third Party Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/redis/redis/pull/10651Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/redis/redis/releases/tag/6.2.7Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/redis/redis/releases/tag/7.0.0Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/redis/redis/security/advisories/GHSA-647m-2wmq-qmvqThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4ZK3675DGHVVDOFLJN7WX6YYH27GPMK/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPYKSG7LKUJGVM2P72EHXKVRVRWHLORX/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSTPUCAPBRHIFPSCOURR4OYX4E2OISAF/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202209-17Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220715-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
redis redis Version: < 7.0.0
Version: >= 6.0.0, < 6.2.7
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         id: "CVE-2022-24735",
         lastModified: "2024-11-21T06:50:58.810",
         metrics: "{\"cvssMetricV31\": [{\"source\": \"security-advisories@github.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N\", \"baseScore\": 3.9, \"baseSeverity\": \"LOW\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.3, \"impactScore\": 2.5}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 6.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
         published: "2022-04-27T20:15:09.730",
         references: "[{\"url\": \"https://github.com/redis/redis/pull/10651\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/releases/tag/6.2.7\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Release Notes\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/releases/tag/7.0.0\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Release Notes\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/security/advisories/GHSA-647m-2wmq-qmvq\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4ZK3675DGHVVDOFLJN7WX6YYH27GPMK/\", \"source\": \"security-advisories@github.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPYKSG7LKUJGVM2P72EHXKVRVRWHLORX/\", \"source\": \"security-advisories@github.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSTPUCAPBRHIFPSCOURR4OYX4E2OISAF/\", \"source\": \"security-advisories@github.com\"}, {\"url\": \"https://security.gentoo.org/glsa/202209-17\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220715-0003/\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/pull/10651\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/releases/tag/6.2.7\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/releases/tag/7.0.0\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/redis/redis/security/advisories/GHSA-647m-2wmq-qmvq\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4ZK3675DGHVVDOFLJN7WX6YYH27GPMK/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPYKSG7LKUJGVM2P72EHXKVRVRWHLORX/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSTPUCAPBRHIFPSCOURR4OYX4E2OISAF/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/202209-17\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20220715-0003/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
         sourceIdentifier: "security-advisories@github.com",
         vulnStatus: "Modified",
         weaknesses: "[{\"source\": \"security-advisories@github.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-94\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-94\"}]}]",
      },
      nvd: "{\"cve\":{\"id\":\"CVE-2022-24735\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2022-04-27T20:15:09.730\",\"lastModified\":\"2024-11-21T06:50:58.810\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Redis is an in-memory database that persists on disk. By exploiting weaknesses in the Lua script execution environment, an attacker with access to Redis prior to version 7.0.0 or 6.2.7 can inject Lua code that will execute with the (potentially higher) privileges of another Redis user. The Lua script execution environment in Redis provides some measures that prevent a script from creating side effects that persist and can affect the execution of the same, or different script, at a later time. Several weaknesses of these measures have been publicly known for a long time, but they had no security impact as the Redis security model did not endorse the concept of users or privileges. With the introduction of ACLs in Redis 6.0, these weaknesses can be exploited by a less privileged users to inject Lua code that will execute at a later time, when a privileged user executes a Lua script. The problem is fixed in Redis versions 7.0.0 and 6.2.7. An additional workaround to mitigate this problem without patching the redis-server executable, if Lua scripting is not being used, is to block access to `SCRIPT LOAD` and `EVAL` commands using ACL rules.\"},{\"lang\":\"es\",\"value\":\"Redis es una base de datos en memoria que persiste en el disco. Aprovechando las debilidades del entorno de ejecución de scripts Lua, un atacante con acceso a Redis versiones anteriores a 7.0.0 o 6.2.7 puede inyectar código Lua que será ejecutado con privilegios (potencialmente superiores) de otro usuario de Redis. El entorno de ejecución de scripts Lua en Redis proporciona algunas medidas que impiden que un script cree efectos secundarios que persistan y puedan afectar a la ejecución del mismo, o de un script diferente, en un momento posterior. Varios puntos débiles de estas medidas son conocidos públicamente desde hace mucho tiempo, pero no presentaban ningún impacto en la seguridad, ya que el modelo de seguridad de Redis no respaldaba el concepto de usuarios o privilegios. Con la introducción de ACLs en Redis versión 6.0, estas debilidades pueden ser explotadas por un usuario con menos privilegios para inyectar código Lua que será ejecutado en un momento posterior, cuando un usuario privilegiado ejecute un script Lua. El problema ha sido corregido en Redis versiones 7.0.0 y 6.2.7. Una medida adicional para mitigar este problema sin necesidad de parchear el ejecutable del servidor Redis, si no son usados scripts Lua, es bloquear el acceso a los comandos \\\"SCRIPT LOAD\\\" y \\\"EVAL\\\" usando reglas 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   },
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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