Bug 1985229 (CVE-2021-32773)

Summary: CVE-2021-32773 racket: incorrect code evaluation may lead to privileges escalation
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dbenoit
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: racket 8.2 Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2021-07-23 09:54:47 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 1985230    
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Description Marian Rehak 2021-07-23 08:26:18 UTC 
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. 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.

Upstream Issue:

https://github.com/racket/racket/security/advisories/GHSA-cgrw-p7p7-937c
https://github.com/racket/racket/commit/6ca4ffeca1e5877d44f835760ad89f18488d97e1
Comment 1 Marian Rehak 2021-07-23 08:26:50 UTC 
Created racket tracking bugs for this issue:

Affects: fedora-all [bug 1985230]
Comment 2 Product Security DevOps Team 2021-07-23 09:54:47 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.