CVE-2021-45958

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.
Overview
  • CVE ID
  • CVE-2021-45958
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-01T00:15:08
  • Last Modified Date
  • 2022-09-10T02:38:59
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ultrajson_project:ultrajson:*:*:*:*:*:python:*:* 1 OR 5.2.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009 Exploit Issue Tracking Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ujson/OSV-2021-955.yaml Exploit Third Party Advisory
https://github.com/ultrajson/ultrajson/issues/501 Exploit Issue Tracking Third Party Advisory
https://github.com/ultrajson/ultrajson/issues/502#issuecomment-1031747284 Issue Tracking Patch Third Party Advisory
https://github.com/ultrajson/ultrajson/pull/504 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00023.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7W3GOXALINKFUUE7ICQIC2EF5HNKUQ/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NAU5N4A7EUK2AMUCOLYDD5ARXAJYZBD2/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O6JUWQTJLA2CMG4CJN7DCUVSOXLZIIXL/ Mailing List Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ULX35TSWLBBIMEH44MUORPXYYRZKEDC6/ Mailing List Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-45958
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45958
History
Created Old Value New Value Data Type Notes
2022-04-04 00:41:51 Added to TrackCVE
2022-12-06 05:25:17 2022-01-01T00:15Z 2022-01-01T00:15:08 CVE Published Date updated
2022-12-06 05:25:17 2022-09-10T02:38:59 CVE Modified Date updated
2022-12-06 05:25:17 Analyzed Vulnerability Status updated
2022-12-06 05:25:22 References updated