CVE-2021-21290
Vulnerability from cvelistv5
Published
2021-02-08 20:10
Modified
2024-08-03 18:09
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Local Information Disclosure Vulnerability in Netty on Unix-Like systems due temporary files
References
security-advisories@github.comhttps://github.com/netty/netty/commit/c735357bf29d07856ad171c6611a2e1a0e0000ecPatch, Third Party Advisory
security-advisories@github.comhttps://github.com/netty/netty/security/advisories/GHSA-5mcr-gq6c-3hq2Exploit, Third Party Advisory
security-advisories@github.comhttps://lists.apache.org/thread.html/r0053443ce19ff125981559f8c51cf66e3ab4350f47812b8cf0733a05%40%3Cdev.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r02e467123d45006a1dda20a38349e9c74c3a4b53e2e07be0939ecb3f%40%3Cdev.ranger.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r0857b613604c696bf9743f0af047360baaded48b1c75cf6945a083c5%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r10308b625e49d4e9491d7e079606ca0df2f0a4d828f1ad1da64ba47b%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r1908a34b9cc7120e5c19968a116ddbcffea5e9deb76c2be4fa461904%40%3Cdev.zookeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r2748097ea4b774292539cf3de6e3b267fc7a88d6c8ec40f4e2e87bd4%40%3Cdev.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r2936730ef0a06e724b96539bc7eacfcd3628987c16b1b99c790e7b87%40%3Cissues.zookeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r2fda4dab73097051977f2ab818f75e04fbcb15bb1003c8530eac1059%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r326ec431f06eab7cb7113a7a338e59731b8d556d05258457f12bac1b%40%3Cdev.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r4efed2c501681cb2e8d629da16e48d9eac429624fd4c9a8c6b8e7020%40%3Cdev.tinkerpop.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r584cf871f188c406d8bd447ff4e2fd9817fca862436c064d0951a071%40%3Ccommits.pulsar.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r59bac5c09f7a4179b9e2460e8f41c278aaf3b9a21cc23678eb893e41%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r5bf303d7c04da78f276765da08559fdc62420f1df539b277ca31f63b%40%3Cissues.zookeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r5c701840aa2845191721e39821445e1e8c59711e71942b7796a6ec29%40%3Cusers.activemq.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r5e4a540089760c8ecc2c411309d74264f1dad634ad93ad583ca16214%40%3Ccommits.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r5e66e286afb5506cdfe9bbf68a323e8d09614f6d1ddc806ed0224700%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r71dbb66747ff537640bb91eb0b2b24edef21ac07728097016f58b01f%40%3Ccommits.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r743149dcc8db1de473e6bff0b3ddf10140a7357bc2add75f7d1fbb12%40%3Cdev.zookeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r790c2926efcd062067eb18fde2486527596d7275381cfaff2f7b3890%40%3Cissues.bookkeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r7bb3cdc192e9a6f863d3ea05422f09fa1ae2b88d4663e63696ee7ef5%40%3Cdev.ranger.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/r9924ef9357537722b28d04c98a189750b80694a19754e5057c34ca48%40%3Ccommits.pulsar.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/ra0fc2b4553dd7aaf75febb61052b7f1243ac3a180a71c01f29093013%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/ra503756ced78fdc2136bd33e87cb7553028645b261b1f5c6186a121e%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rb06c1e766aa45ee422e8261a8249b561784186483e8f742ea627bda4%40%3Cdev.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rb51d6202ff1a773f96eaa694b7da4ad3f44922c40b3d4e1a19c2f325%40%3Ccommits.pulsar.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rb592033a2462548d061a83ac9449c5ff66098751748fcd1e2d008233%40%3Cissues.zookeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rc0087125cb15b4b78e44000f841cd37fefedfda942fd7ddf3ad1b528%40%3Cissues.zookeeper.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rc488f80094872ad925f0c73d283d4c00d32def81977438e27a3dc2bb%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rcd163e421273e8dca1c71ea298dce3dd11b41d51c3a812e0394e6a5d%40%3Ccommits.pulsar.apache.org%3E
security-advisories@github.comhttps://lists.apache.org/thread.html/rdba4f78ac55f803893a1a2265181595e79e3aa027e2e651dfba98c18%40%3Cjira.kafka.apache.org%3E
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2021/02/msg00016.htmlMailing List, Third Party Advisory
security-advisories@github.comhttps://security.netapp.com/advisory/ntap-20220210-0011/Third Party Advisory
security-advisories@github.comhttps://www.debian.org/security/2021/dsa-4885Third Party Advisory
security-advisories@github.comhttps://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
Impacted products
nettynetty
Show details on NVD website

To clipboard 

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            "name": "[zookeeper-issues] 20210330 [jira] [Updated] (ZOOKEEPER-4272) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21295",
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          },
          {
            "name": "[zookeeper-issues] 20210402 [jira] [Commented] (ZOOKEEPER-4272) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21295",
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              "x_refsource_MLIST",
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          },
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            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
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          },
          {
            "name": "[activemq-users] 20210715 Next ActiveMQ Artemis Release - CVE-2021-21290 vulnerability",
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          "name": "[kafka-jira] 20210302 [GitHub] [kafka] dongjinleekr commented on pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
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          "name": "[zookeeper-issues] 20210311 [jira] [Created] (ZOOKEEPER-4242) Upgrade Netty library to \u003e 4.1.59 due to security vulnerability",
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          "name": "[pulsar-commits] 20210329 [GitHub] [pulsar] yaswanthnadella opened a new issue #10071: CVE-2021-21295 \u0026 CVE-2021-21290",
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          "name": "[pulsar-commits] 20210329 [GitHub] [pulsar] aahmed-se opened a new pull request #10073: Upgrade Netty version to 4.1.60.final",
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              "name": "https://github.com/netty/netty/commit/c735357bf29d07856ad171c6611a2e1a0e0000ec",
              "refsource": "MISC",
              "url": "https://github.com/netty/netty/commit/c735357bf29d07856ad171c6611a2e1a0e0000ec"
            },
            {
              "name": "[debian-lts-announce] 20210211 [SECURITY] [DLA 2555-1] netty security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00016.html"
            },
            {
              "name": "[kafka-jira] 20210301 [jira] [Created] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rc488f80094872ad925f0c73d283d4c00d32def81977438e27a3dc2bb@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-dev] 20210301 [jira] [Created] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r2748097ea4b774292539cf3de6e3b267fc7a88d6c8ec40f4e2e87bd4@%3Cdev.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210301 [jira] [Assigned] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/ra503756ced78fdc2136bd33e87cb7553028645b261b1f5c6186a121e@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210301 [GitHub] [kafka] dongjinleekr opened a new pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r10308b625e49d4e9491d7e079606ca0df2f0a4d828f1ad1da64ba47b@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210301 [GitHub] [kafka] dongjinleekr commented on pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r2fda4dab73097051977f2ab818f75e04fbcb15bb1003c8530eac1059@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-dev] 20210302 [jira] [Resolved] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r326ec431f06eab7cb7113a7a338e59731b8d556d05258457f12bac1b@%3Cdev.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210302 [jira] [Resolved] (KAFKA-12389) Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rdba4f78ac55f803893a1a2265181595e79e3aa027e2e651dfba98c18@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210302 [GitHub] [kafka] omkreddy closed pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r0857b613604c696bf9743f0af047360baaded48b1c75cf6945a083c5@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-commits] 20210302 [kafka] branch 2.6 updated: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r5e4a540089760c8ecc2c411309d74264f1dad634ad93ad583ca16214@%3Ccommits.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-commits] 20210302 [kafka] branch 2.7 updated: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r71dbb66747ff537640bb91eb0b2b24edef21ac07728097016f58b01f@%3Ccommits.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210302 [GitHub] [kafka] dongjinleekr commented on pull request #10235: KAFKA-12389: Upgrade of netty-codec due to CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/ra0fc2b4553dd7aaf75febb61052b7f1243ac3a180a71c01f29093013@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[zookeeper-issues] 20210311 [jira] [Created] (ZOOKEEPER-4242) Upgrade Netty library to \u003e 4.1.59 due to security vulnerability",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r5bf303d7c04da78f276765da08559fdc62420f1df539b277ca31f63b@%3Cissues.zookeeper.apache.org%3E"
            },
            {
              "name": "[zookeeper-dev] 20210311 [jira] [Created] (ZOOKEEPER-4242) Upgrade Netty library to \u003e 4.1.59 due to security vulnerability",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r743149dcc8db1de473e6bff0b3ddf10140a7357bc2add75f7d1fbb12@%3Cdev.zookeeper.apache.org%3E"
            },
            {
              "name": "[tinkerpop-dev] 20210316 [jira] [Created] (TINKERPOP-2535) Netty 4.1.52 flagged as medium security violation",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r4efed2c501681cb2e8d629da16e48d9eac429624fd4c9a8c6b8e7020@%3Cdev.tinkerpop.apache.org%3E"
            },
            {
              "name": "[ranger-dev] 20210317 [jira] [Created] (RANGER-3209) Upgrade netty to 4.1.60+ due to CVE-2021-21290 and CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r02e467123d45006a1dda20a38349e9c74c3a4b53e2e07be0939ecb3f@%3Cdev.ranger.apache.org%3E"
            },
            {
              "name": "[ranger-dev] 20210317 [jira] [Assigned] (RANGER-3209) Upgrade netty to 4.1.60+ due to CVE-2021-21290 and CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r7bb3cdc192e9a6f863d3ea05422f09fa1ae2b88d4663e63696ee7ef5@%3Cdev.ranger.apache.org%3E"
            },
            {
              "name": "[pulsar-commits] 20210329 [GitHub] [pulsar] yaswanthnadella opened a new issue #10071: CVE-2021-21295 \u0026 CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rcd163e421273e8dca1c71ea298dce3dd11b41d51c3a812e0394e6a5d@%3Ccommits.pulsar.apache.org%3E"
            },
            {
              "name": "[pulsar-commits] 20210329 [GitHub] [pulsar] aahmed-se opened a new pull request #10073: Upgrade Netty version to 4.1.60.final",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r9924ef9357537722b28d04c98a189750b80694a19754e5057c34ca48@%3Ccommits.pulsar.apache.org%3E"
            },
            {
              "name": "[pulsar-commits] 20210329 [GitHub] [pulsar] merlimat closed issue #10071: CVE-2021-21295 \u0026 CVE-2021-21290",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rb51d6202ff1a773f96eaa694b7da4ad3f44922c40b3d4e1a19c2f325@%3Ccommits.pulsar.apache.org%3E"
            },
            {
              "name": "[bookkeeper-issues] 20210330 [GitHub] [bookkeeper] eolivelli opened a new issue #2669: Update Netty to 4.1.60.final",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r790c2926efcd062067eb18fde2486527596d7275381cfaff2f7b3890@%3Cissues.bookkeeper.apache.org%3E"
            },
            {
              "name": "[zookeeper-dev] 20210330 [jira] [Created] (ZOOKEEPER-4272) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r1908a34b9cc7120e5c19968a116ddbcffea5e9deb76c2be4fa461904@%3Cdev.zookeeper.apache.org%3E"
            },
            {
              "name": "[kafka-dev] 20210330 [jira] [Created] (KAFKA-12583) Upgrade of netty-codec due to CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rb06c1e766aa45ee422e8261a8249b561784186483e8f742ea627bda4@%3Cdev.kafka.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210330 [jira] [Updated] (KAFKA-12583) Upgrade of netty-codec due to CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r5e66e286afb5506cdfe9bbf68a323e8d09614f6d1ddc806ed0224700@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[zookeeper-issues] 20210330 [jira] [Created] (ZOOKEEPER-4272) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rb592033a2462548d061a83ac9449c5ff66098751748fcd1e2d008233@%3Cissues.zookeeper.apache.org%3E"
            },
            {
              "name": "[kafka-jira] 20210330 [jira] [Created] (KAFKA-12583) Upgrade of netty-codec due to CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r59bac5c09f7a4179b9e2460e8f41c278aaf3b9a21cc23678eb893e41@%3Cjira.kafka.apache.org%3E"
            },
            {
              "name": "[zookeeper-issues] 20210330 [jira] [Updated] (ZOOKEEPER-4272) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/rc0087125cb15b4b78e44000f841cd37fefedfda942fd7ddf3ad1b528@%3Cissues.zookeeper.apache.org%3E"
            },
            {
              "name": "[zookeeper-issues] 20210402 [jira] [Commented] (ZOOKEEPER-4272) Upgrade Netty library to \u003e 4.1.60 due to security vulnerability CVE-2021-21295",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r2936730ef0a06e724b96539bc7eacfcd3628987c16b1b99c790e7b87@%3Cissues.zookeeper.apache.org%3E"
            },
            {
              "name": "DSA-4885",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2021/dsa-4885"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
            },
            {
              "name": "https://lists.apache.org/thread.html/r0053443ce19ff125981559f8c51cf66e3ab4350f47812b8cf0733a05@%3Cdev.kafka.apache.org%3E",
              "refsource": "MISC",
              "url": "https://lists.apache.org/thread.html/r0053443ce19ff125981559f8c51cf66e3ab4350f47812b8cf0733a05@%3Cdev.kafka.apache.org%3E"
            },
            {
              "name": "[activemq-users] 20210715 Next ActiveMQ Artemis Release - CVE-2021-21290 vulnerability",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r5c701840aa2845191721e39821445e1e8c59711e71942b7796a6ec29@%3Cusers.activemq.apache.org%3E"
            },
            {
              "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
            },
            {
              "name": "[pulsar-commits] 20211020 [GitHub] [pulsar] Shoothzj opened a new pull request #12437: [Security] Bump grpc to 1.41.0",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r584cf871f188c406d8bd447ff4e2fd9817fca862436c064d0951a071@%3Ccommits.pulsar.apache.org%3E"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20220210-0011/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20220210-0011/"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-5mcr-gq6c-3hq2",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-21290",
    "datePublished": "2021-02-08T20:10:16",
    "dateReserved": "2020-12-22T00:00:00",
    "dateUpdated": "2024-08-03T18:09:15.620Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-21290\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2021-02-08T20:15:12.433\",\"lastModified\":\"2023-11-07T03:29:43.700\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers \u0026 clients. In Netty before version 4.1.59.Final there is a vulnerability on Unix-like systems involving an insecure temp file. When netty\u0027s multipart decoders are used local information disclosure can occur via the local system temporary directory if temporary storing uploads on the disk is enabled. On unix-like systems, the temporary directory is shared between all user. As such, writing to this directory using APIs that do not explicitly set the file/directory permissions can lead to information disclosure. Of note, this does not impact modern MacOS Operating Systems. The method \\\"File.createTempFile\\\" on unix-like systems creates a random file, but, by default will create this file with the permissions \\\"-rw-r--r--\\\". Thus, if sensitive information is written to this file, other local users can read this information. This is the case in netty\u0027s \\\"AbstractDiskHttpData\\\" is vulnerable. This has been fixed in version 4.1.59.Final. As a workaround, one may specify your own \\\"java.io.tmpdir\\\" when you start the JVM or use \\\"DefaultHttpDataFactory.setBaseDir(...)\\\" to set the directory to something that is only readable by the current user.\"},{\"lang\":\"es\",\"value\":\"Netty es un framework de aplicaci\u00f3n de red de c\u00f3digo abierto y as\u00edncrono controlado por eventos para el desarrollo r\u00e1pido de servidores y clientes de protocolo de alto rendimiento mantenibles.\u0026#xa0;En Netty anterior a la versi\u00f3n 4.1.59.Final, se presenta una vulnerabilidad en sistemas similares a Unix que involucra un archivo temporal no seguro.\u0026#xa0;Cuando se usan los decodificadores multiparte de netty, la divulgaci\u00f3n de informaci\u00f3n local puede ocurrir por medio del directorio temporal del sistema local si el almacenamiento temporal de cargas en el disco est\u00e1 habilitado.\u0026#xa0;En sistemas tipo Unix, el directorio temporal se comparte entre todos los usuarios.\u0026#xa0;Tal y como, escribir en este directorio utilizando las API que no establezcan expl\u00edcitamente los permisos de archivo/directorio puede conducir a una divulgaci\u00f3n de informaci\u00f3n.\u0026#xa0;Cabe se\u00f1alar que esto no afecta a los sistemas operativos MacOS modernos.\u0026#xa0;El m\u00e9todo \\\"File.createTempFile\\\" en sistemas similares a Unix crea un archivo aleatorio, pero,\u0026#xa0;por defecto crear\u00e1 este archivo con los permisos \\\"-rw-r - r--\\\".\u0026#xa0;Por lo tanto, si se escribe informaci\u00f3n confidencial en este archivo, otros usuarios locales pueden leer esta informaci\u00f3n.\u0026#xa0;Este es el caso en el que \\\"AbstractDiskHttpData\\\" de netty es vulnerable.\u0026#xa0;Esto ha sido corregido en la versi\u00f3n 4.1.59.Final.\u0026#xa0;Como soluci\u00f3n alternativa, se puede especificar su propio \\\"java.io.tmpdir\\\" al iniciar la JVM o utilizar \\\"DefaultHttpDataFactory.setBaseDir(...)\\\" para establecer el directorio en algo que solo el usuario actual pueda 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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