cve-2021-22898
Vulnerability from cvelistv5
Published
2021-06-11 15:49
Modified
2024-08-03 18:58
Severity ?
Summary
curl 7.7 through 7.76.1 suffers from an information disclosure when the `-t` command line option, known as `CURLOPT_TELNETOPTIONS` in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEW_ENV variables, libcurl could be made to pass on uninitialized data from a stack based buffer to the server, resulting in potentially revealing sensitive internal information to the server using a clear-text network protocol.
References
support@hackerone.comhttp://www.openwall.com/lists/oss-security/2021/07/21/4Mailing List, Patch, Third Party Advisory
support@hackerone.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
support@hackerone.comhttps://curl.se/docs/CVE-2021-22898.htmlExploit, Patch, Vendor Advisory
support@hackerone.comhttps://github.com/curl/curl/commit/39ce47f219b09c380b81f89fe54ac586c8db6bdePatch, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/1176461Exploit, Issue Tracking, Patch, Third Party Advisory
support@hackerone.comhttps://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c%40%3Cissues.guacamole.apache.org%3EMailing List, Third Party Advisory
support@hackerone.comhttps://lists.debian.org/debian-lts-announce/2021/08/msg00017.htmlMailing List, Third Party Advisory
support@hackerone.comhttps://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlThird Party Advisory
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRUCW2UVNYUDZF72DQLFQR4PJEC6CF7V/Mailing List, Third Party Advisory
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/POOC3UV7V6L4CJ5KA2PTWTNUV5Y72T3Q/Mailing List, Third Party Advisory
support@hackerone.comhttps://www.debian.org/security/2022/dsa-5197Third Party Advisory
support@hackerone.comhttps://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
support@hackerone.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
support@hackerone.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Impacted products
n/ahttps://github.com/curl/curl
Show details on NVD website

To clipboard 

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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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