CVE-2021-32773

NameCVE-2021-32773
DescriptionRacket is a general-purpose programming language and an ecosystem for language-oriented programming. In versions prior to 8.2, code evaluated using the Racket sandbox could cause system modules to incorrectly use attacker-created modules instead of their intended dependencies. This could allow system functions to be controlled by the attacker, giving access to facilities intended to be restricted. This problem is fixed in Racket version 8.2. A workaround is available, depending on system settings. For systems that provide arbitrary Racket evaluation, external sandboxing such as containers limit the impact of the problem. For multi-user evaluation systems, such as the `handin-server` system, it is not possible to work around this problem and upgrading is required.
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 Bugs991327

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
racket (PTS)stretch6.7-3vulnerable
buster7.2+dfsg1-2vulnerable
bullseye, sid7.9+dfsg1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
racketsourceexperimental8.2+dfsg1-1
racketsource(unstable)(unfixed)991327

Notes

[buster] - racket <no-dsa> (Minor issue)
[stretch] - racket <no-dsa> (Minor issue)
https://github.com/racket/racket/security/advisories/GHSA-cgrw-p7p7-937c

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