CVE-2023-5522

Summary

Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel. 

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost0 < 2.8.0affected
MattermostMattermost2.8.0unaffected

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