Information Exposure Affecting github.com/keybase/client/go/chat/attachments package, versions <5.6.0


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.3% (21st percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMKEYBASECLIENTGOCHATATTACHMENTS-1078498
  • published23 Feb 2021
  • disclosed23 Feb 2021
  • creditJohn Jackson, Aubrey Cottle, Jackson Henry, Robert Willis

Introduced: 23 Feb 2021

CVE-2021-23827  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade github.com/keybase/client/go/chat/attachments to version 5.6.0 or higher.

Overview

github.com/keybase/client/go/chat/attachments is a Keybase core crypto library.

Affected versions of this package are vulnerable to Information Exposure. It allows an attacker to obtain potentially sensitive media (such as private pictures) in the cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the Explode message / Explode now functionality.

CVSS Base Scores

version 3.1