ask_password in Tomb 2.0 through 2.7 returns a warning when pinentry-curses is used and $DISPLAY is non-empty, causing affected users' files to be encrypted with "tomb {W] Detected DISPLAY, but only pinentry-curses is found." as the encryption key.
Published 2020-11-13 21:15:13
Updated 2020-12-02 15:00:34
Source MITRE
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2020-28638

  • Dyne » Tomb
    Versions from including (>=) 2.0 and up to, including, (<=) 2.7
    cpe:2.3:a:dyne:tomb:*:*:*:*:*:*:*:*

Exploit prediction scoring system (EPSS) score for CVE-2020-28638

0.30%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-28638

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2020-28638

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-28638

  • https://github.com/dyne/Tomb/issues/385
    [security] Any password unlocks tomb when using pinentry-curses and non-empty $DISPLAY · Issue #385 · dyne/Tomb · GitHub
    Exploit;Issue Tracking;Third Party Advisory
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