CVE-2016-4975 (GCVE-0-2016-4975)

Vulnerability from cvelistv5 – Published: 2018-08-14 13:00 – Updated: 2024-09-16 19:47
VLAI?
Summary
Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).
Severity ?
No CVSS data available.
CWE
  • (undefined)
Assigner
References
https://httpd.apache.org/security/vulnerabilities… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2018092… x_refsource_CONFIRM
https://support.hpe.com/hpsc/doc/public/display?d… x_refsource_CONFIRM
http://www.securityfocus.com/bid/105093 vdb-entryx_refsource_BID
https://httpd.apache.org/security/vulnerabilities… x_refsource_CONFIRM
https://lists.apache.org/thread.html/56c2e7cc9deb… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/84a3714f0878… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/8d63cb8e9100… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/f7f95ac1cd98… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r57608dc51b7… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd18c3c43602… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re3d27b6250a… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfbaf647d52c… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rf6449464fd8… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9ea3538f229… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rc998b18880d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re1e3a24664d… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r04e89e873d5… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rdca61ae9906… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9f93cf6dde3… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rcc44594d4d6… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rb14daf9cc4e… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rd336919f655… mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r75cbe9ea3e2… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
Apache Software Foundation Apache HTTP Server Affected: Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23)
Affected: Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31)
Create a notification for this product.
Credits
The issue was discovered by Sergey Bobrov
Show details on NVD website
To clipboard 

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    "cna": {
      "affected": [
        {
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          "vendor": "Apache Software Foundation",
          "versions": [
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              "version": "Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23)"
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      "descriptions": [
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\"matchCriteriaId\": \"5444C583-CF83-4ECD-8DF8-66D8C1FCF096\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:apache:http_server:2.2.29:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6C306D07-9DF3-4AD1-9984-ECA094D0F50E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:apache:http_server:2.2.31:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"513A1C46-80FF-489C-AD31-F8F790C6D6C9\"}, {\"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\": 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      "descriptions": "[{\"lang\": \"en\", \"value\": \"Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the \\\"Location\\\" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).\"}, {\"lang\": \"es\", \"value\": \"Posible inyecci\\u00f3n CRLF que permite ataques de separaci\\u00f3n de respuesta HTTP para los sitios que emplean mod_userdir. Este problema fue mitigado gracias a los cambios realizados en las versiones 2.4.25 y 2.2.32, que proh\\u00edben la inyecci\\u00f3n CR o LF en \\\"Location\\\" o en otro tipo de clave o valor de cabecera saliente. Esto se ha solucionado en Apache HTTP Server 2.4.25 (2.4.1-2.4.23 afectadas). Esto se ha solucionado en Apache HTTP Server 2.2.32 (2.2.0-2.2.31 afectadas).\"}]",
      "id": "CVE-2016-4975",
      "lastModified": "2024-11-21T02:53:20.620",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\", \"baseScore\": 6.1, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.7}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:P/A:N\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2018-08-14T12:29:00.220",
      "references": "[{\"url\": \"http://www.securityfocus.com/bid/105093\", \"source\": \"security@apache.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975\", \"source\": \"security@apache.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975\", \"source\": \"security@apache.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E\", \"source\": \"security@apache.org\"}, {\"url\": \"https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E\", \"source\": 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\"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03908en_us\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "security@apache.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-93\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-4975\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2018-08-14T12:29:00.220\",\"lastModified\":\"2024-11-21T02:53:20.620\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the \\\"Location\\\" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).\"},{\"lang\":\"es\",\"value\":\"Posible inyecci\u00f3n CRLF que permite ataques de separaci\u00f3n de respuesta HTTP para los sitios que emplean mod_userdir. Este problema fue mitigado gracias a los cambios realizados en las versiones 2.4.25 y 2.2.32, que proh\u00edben la inyecci\u00f3n CR o LF en \\\"Location\\\" o en otro tipo de clave o valor de cabecera saliente. Esto se ha solucionado en Apache HTTP Server 2.4.25 (2.4.1-2.4.23 afectadas). Esto se ha solucionado en Apache HTTP Server 2.2.32 (2.2.0-2.2.31 afectadas).\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-93\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"67AD11FB-529C-404E-A13B-284F145322B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CCBBB7FE-35FC-4515-8393-5145339FCE4D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F519633F-AB68-495A-B85E-FD41F9F752CA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A894BED6-C97D-4DA4-A13D-9CB2B3306BC5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"34A847D1-5AD5-4EFD-B165-7602AFC1E656\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9AF3A0F5-4E5C-4278-9927-1F94F25CCAFC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AB63EBE5-CF14-491E-ABA5-67116DFE3E5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C2A33DE-F55F-4FD8-BB00-9C1E006CA65C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B1CF6394-95D9-42AF-A442-385EFF9CEFE1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"02B629FB-88C8-4E85-A137-28770F1E524E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"03550EF0-DF89-42FE-BF0E-994514EBD947\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4886CCAB-6D4E-45C7-B177-2E8DBEA15531\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C35631AC-7C35-4F6A-A95A-3B080E5210ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6CED2BA6-BE5E-4EF1-88EB-0DADD23D2EEF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.17:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A71F4154-AD20-4EEA-9E2E-D3385C357DA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B0B8C9DB-401E-42B3-BAED-D09A96DE9A90\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.19:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"062C20A0-05A0-4164-8330-DF6ADFE607F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D345BA35-93BB-406F-B5DC-86E49FB29C22\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7ED4892F-C829-4BEA-AB82-6A78F6F2426D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"00128AAD-E746-4DCD-8676-1381E5232220\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.23:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FE0D7ABB-DE11-40D6-8AAF-C626DD7E3914\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.24:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5252544F-7BDD-42EE-856E-B351B4B6D381\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.25:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"58375DE5-F7EC-400D-84A2-CD70B72C4F63\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.26:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"15233815-C037-41BB-A447-A078F83A93F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.2.27:*:*:*:*:*:*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Party Advisory\"]},{\"url\":\"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03908en_us\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.