CVE-2023-40703

Summary

Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. 

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost0 <= 7.8.12affected
MattermostMattermost0 <= 8.1.3affected
MattermostMattermost0 <= 9.0.1affected
MattermostMattermost0 <= 9.1.0affected
MattermostMattermost9.1.1unaffected
MattermostMattermost9.0.2unaffected
MattermostMattermost7.8.13unaffected
MattermostMattermost8.1.4unaffected

Weaknesses

  • CWE-400: CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References