Executive Summary

Informations
Name CVE-2020-21048 First vendor Publication 2021-09-14
Vendor Cve Last vendor Modification 2021-09-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21048

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 4

Sources (Detail)

Source Url
MISC https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02...
https://github.com/saitoha/libsixel/blob/master/ChangeLog
https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e...
https://github.com/saitoha/libsixel/issues/73
https://github.com/saitoha/libsixel/releases/tag/v1.8.4

Alert History

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Date Informations
2021-09-29 21:23:26
  • Multiple Updates
2021-09-24 21:23:13
  • Multiple Updates
2021-09-14 21:23:17
  • First insertion