CVE-2017-9798
Vulnerability from cvelistv5
Published
2017-09-18 15:00
Modified
2024-08-05 17:18
Severity ?
Summary
Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user's .htaccess file, or if httpd.conf has certain misconfigurations, aka Optionsbleed. This affects the Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27. The attacker sends an unauthenticated OPTIONS HTTP request when attempting to read secret data. This is a use-after-free issue and thus secret data is not always sent, and the specific data depends on many factors including configuration. Exploitation with .htaccess can be blocked with a patch to the ap_limit_section function in server/core.c.
References
security@apache.orghttp://openwall.com/lists/oss-security/2017/09/18/2Mailing List, VDB Entry
security@apache.orghttp://www.debian.org/security/2017/dsa-3980Third Party Advisory
security@apache.orghttp://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlPatch, Third Party Advisory
security@apache.orghttp://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlPatch, Third Party Advisory
security@apache.orghttp://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
security@apache.orghttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch, Third Party Advisory
security@apache.orghttp://www.securityfocus.com/bid/100872Third Party Advisory, VDB Entry
security@apache.orghttp://www.securityfocus.com/bid/105598Third Party Advisory, VDB Entry
security@apache.orghttp://www.securitytracker.com/id/1039387Third Party Advisory, VDB Entry
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:2882Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:2972Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3018Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3113Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3114Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3193Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3194Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3195Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3239Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3240Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3475Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3476Third Party Advisory
security@apache.orghttps://access.redhat.com/errata/RHSA-2017:3477Third Party Advisory
security@apache.orghttps://blog.fuzzing-project.org/60-Optionsbleed-HTTP-OPTIONS-method-can-leak-Apaches-server-memory.htmlExploit, Patch, Technical Description, Third Party Advisory
security@apache.orghttps://blog.fuzzing-project.org/uploads/apache-2.2-optionsbleed-backport.patchExploit, Patch, Technical Description, Third Party Advisory
security@apache.orghttps://github.com/apache/httpd/commit/4cc27823899e070268b906ca677ee838d07cf67aPatch, Vendor Advisory
security@apache.orghttps://github.com/hannob/optionsbleedExploit, Third Party Advisory
security@apache.orghttps://httpd.apache.org/security/vulnerabilities_24.html#CVE-2017-9798Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
security@apache.orghttps://security-tracker.debian.org/tracker/CVE-2017-9798Third Party Advisory
security@apache.orghttps://security.gentoo.org/glsa/201710-32Third Party Advisory
security@apache.orghttps://security.netapp.com/advisory/ntap-20180601-0003/Third Party Advisory
security@apache.orghttps://support.apple.com/HT208331Third Party Advisory
security@apache.orghttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_usThird Party Advisory
security@apache.orghttps://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/server/core.c?r1=1805223&r2=1807754&pathrev=1807754&view=patchVendor Advisory
security@apache.orghttps://www.exploit-db.com/exploits/42745/Exploit, Third Party Advisory, VDB Entry
security@apache.orghttps://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
security@apache.orghttps://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlPatch, Third Party Advisory
security@apache.orghttps://www.tenable.com/security/tns-2019-09Third Party Advisory
Impacted products
Apache Software FoundationApache HTTP Server
Show details on NVD website

To clipboard 

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            "tags": [
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              "x_refsource_MLIST",
              "x_transferred"
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          },
          {
            "name": "[httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html",
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          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache HTTP Server",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27"
            }
          ]
        }
      ],
      "datePublic": "2017-09-18T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user\u0027s .htaccess file, or if httpd.conf has certain misconfigurations, aka Optionsbleed. This affects the Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27. The attacker sends an unauthenticated OPTIONS HTTP request when attempting to read secret data. This is a use-after-free issue and thus secret data is not always sent, and the specific data depends on many factors including configuration. Exploitation with .htaccess can be blocked with a patch to the ap_limit_section function in server/core.c."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "use-after-free",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-06T10:11:48",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
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          "name": "RHSA-2017:3113",
          "tags": [
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          ],
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        },
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          ],
          "url": "http://www.securityfocus.com/bid/100872"
        },
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          "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
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          "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
        },
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          ],
          "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
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        },
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Exploitation with .htaccess can be blocked with a patch to the ap_limit_section function in server/core.c.\"},{\"lang\":\"es\",\"value\":\"Apache httpd permite que atacantes remotos lean datos secretos de la memoria de proceso si la directiva Limit se puede establecer en un archivo .htaccess del usuario o si existen ciertos errores de configuraci\u00f3n en httpd.conf. Esto tambi\u00e9n se conoce como Optionsbleed. Esta vulnerabilidad afecta a Apache HTTP Server hasta la versi\u00f3n 2.2.34 y a las versiones 2.4.x hasta la 2.4.27. El atacante env\u00eda una petici\u00f3n HTTP OPTIONS sin autenticar cuando intenta leer datos secretos. Este es un problema de uso de memoria previamente liberada y, por lo tanto, los datos secretos no siempre se env\u00edan y los datos espec\u00edficos dependen de muchos factores, entre los que se encuentra la configuraci\u00f3n. La explotaci\u00f3n con .htaccess puede bloquearse con un parche en la funci\u00f3n ap_limit_section en server/core.c.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.2.34\",\"matchCriteriaId\":\"FE75C79F-7F36-41C1-BF03-97416A06D81F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BDC40E89-2D57-4988-913E-024BFB56B367\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6FCD3C8C-9BF8-4F30-981A-593EEAEB9EDD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"046487A3-752B-4D0F-8984-96486B828EAB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"89D2E052-51CD-4B57-A8B8-FAE51988D654\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EAA27058-BACF-4F94-8E3C-7D38EC302EC1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8FEAB0DF-04A9-4F99-8666-0BADC5D642B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7D924D1-8A36-4C43-9E56-52814F9A6350\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"39CDFECC-E26D-47E0-976F-6629040B3764\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E3ECBCB1-0675-41F5-857B-438F36925F63\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CB6CBFBF-74F6-42AF-BC79-AA53EA75F00B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8717A96B-9DB5-48D6-A2CF-A5E2B26AF3F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E1F45B27-504B-4202-87B8-BD3B094003F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F2FB2B98-DFD2-420A-8A7F-9B288651242F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B803D25B-0A19-4569-BA05-09D58F33917C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8510442C-212F-4013-85FA-E0AB59F6F2C6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FB5673AB-53BB-40B2-83A7-8B82B2D0EBB8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FBB3ED63-45CA-44AB-973C-9AD2569AD800\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.27:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FF30AD98-9CBA-456E-A827-79FCEDEB30A1\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"http://openwall.com/lists/oss-security/2017/09/18/2\",\"source\":\"security@apache.org\",\"tags\":[\"Mailing 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  }
}


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