CVE-2016-4817

Published on: 06/18/2016 12:00:00 AM UTC

Last Modified on: 04/19/2021 02:01:00 PM UTC

CVE-2016-4817

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Certain versions of H2o from Dena contain the following vulnerability:

lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.

  • CVE-2016-4817 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 5 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
fix use after free on premature connection close (CVE-2016-4817) by kazuho · Pull Request #920 · h2o/h2o · GitHub Vendor Advisory
github.com
text/html
 URL Logo CONFIRM github.com/h2o/h2o/pull/920
h2: use after free on premature connection close #920 · h2o/h2o@1c0808d · GitHub github.com
text/html
 URL Logo CONFIRM github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4
No Description Provided Vendor Advisory
jvndb.jvn.jp
text/html
 URL Logo JVNDB JVNDB-2016-000091
JVN#87859762: H2O use-after-free vulnerability Vendor Advisory
jvn.jp
text/xml
 URL Logo JVN JVN#87859762
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationDenaH2oAllAllAllAll
ApplicationDenaH2oAllbeta4AllAll
ApplicationH2o ProjectH2oAllAllAllAll
ApplicationH2o ProjectH2oAllbeta4AllAll
  • cpe:2.3:a:dena:h2o:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:dena:h2o:*:beta4:*:*:*:*:*:*:
  • cpe:2.3:a:h2o_project:h2o:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:h2o_project:h2o:*:beta4:*:*:*:*:*:*:
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