CVE-2020-21049

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.
Overview
  • CVE ID
  • CVE-2020-21049
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-14T16:15:08
  • Last Modified Date
  • 2021-09-24T17:08:20
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:libsixel_project:libsixel:*:*:*:*:*:*:*:* 1 OR 1.8.5
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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/saitoha/libsixel/releases/tag/v1.8.5 Release Notes Third Party Advisory
https://github.com/saitoha/libsixel/blob/master/ChangeLog Release Notes Third Party Advisory
https://bitbucket.org/netbsd/pkgsrc/commits/970a81d31ec7498e04d09b6b7771cef35f63cd28 Broken Link
https://github.com/saitoha/libsixel/issues/74 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/saitoha/libsixel/commit/0b1e0b3f7b44233f84e5c9f512f8c90d6bbbe33d Patch Release Notes Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-21049
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21049
History
Created Old Value New Value Data Type Notes
2022-05-10 06:53:33 Added to TrackCVE
2022-12-05 10:33:12 2021-09-14T16:15Z 2021-09-14T16:15:08 CVE Published Date updated
2022-12-05 10:33:12 2021-09-24T17:08:20 CVE Modified Date updated
2022-12-05 10:33:12 Analyzed Vulnerability Status updated