CVE-2020-28638

NameCVE-2020-28638
Descriptionask_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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs974719, 975084

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomb (PTS)buster2.5+dfsg1-2fixed
bullseye2.7+dfsg2-2vulnerable
sid2.8+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tombsourcebuster(not affected)
tombsource(unstable)2.8+dfsg1-1974719, 975084

Notes

[buster] - tomb <not-affected> (Vulnerability introduced later)
https://github.com/dyne/Tomb/issues/385
Introduced by: https://github.com/dyne/Tomb/commit/477ab204439ddb88d7293d3c35a29e29751feda9 (v2.6)
https://github.com/dyne/Tomb/pull/386
Attempted to be fixed via: https://github.com/dyne/Tomb/commit/15c894dfb41db3ea3290bdf8f958fd9e3503c4bb
which only hides the problem.
https://github.com/dyne/Tomb/issues/392

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