cve-2019-16782
Vulnerability from cvelistv5
Published
2019-12-18 19:05
Modified
2024-08-05 01:24
Severity ?
6.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
There's a possible information leak / session hijack vulnerability in Rack (RubyGem rack). This vulnerability is patched in versions 1.6.12 and 2.0.8. Attackers may be able to find and hijack sessions by using timing attacks targeting the session id. Session ids are usually stored and indexed in a database that uses some kind of scheme for speeding up lookups of that session id. By carefully measuring the amount of time it takes to look up a session, an attacker may be able to find a valid session id and hijack the session. The session id itself may be generated randomly, but the way the session is indexed by the backing store does not use a secure comparison.
References
security-advisories@github.comhttp://lists.opensuse.org/opensuse-security-announce/2020-02/msg00016.htmlThird Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2019/12/18/2Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2019/12/18/3Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2019/12/19/3Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2020/04/08/1Mailing List, Patch, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2020/04/09/2Mailing List, Third Party Advisory
security-advisories@github.comhttps://github.com/rack/rack/commit/7fecaee81f59926b6e1913511c90650e76673b38Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/rack/rack/security/advisories/GHSA-hrqr-hxpp-chr3Third Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZXMWILCICQLA2BYSP6I2CRMUG53YBLX/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00016.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/18/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/18/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/19/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/04/08/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/04/09/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/rack/rack/commit/7fecaee81f59926b6e1913511c90650e76673b38Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/rack/rack/security/advisories/GHSA-hrqr-hxpp-chr3Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZXMWILCICQLA2BYSP6I2CRMUG53YBLX/
Impacted products
Vendor Product Version
Show details on NVD website

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  }
}


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Sightings

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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.
  • 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.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.