CVE-2018-20721

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a "//[::44.1" address.
Overview
  • CVE ID
  • CVE-2018-20721
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-01-16T14:29:00
  • Last Modified Date
  • 2021-12-16T19:01:54
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:* 1 OR 0.9.1
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4 Patch Third Party Advisory
https://github.com/uriparser/uriparser/blob/master/ChangeLog Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00028.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00029.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20721
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20721
History
Created Old Value New Value Data Type Notes
2022-05-10 06:40:53 Added to TrackCVE
2022-12-03 16:27:14 2019-01-16T14:29Z 2019-01-16T14:29:00 CVE Published Date updated
2022-12-03 16:27:14 2021-12-16T19:01:54 CVE Modified Date updated
2022-12-03 16:27:14 Analyzed Vulnerability Status updated