Bug 2039784 (CVE-2021-45707) - CVE-2021-45707 rust-nix: unistd::getgrouplist has an out-of-bounds write
Summary: CVE-2021-45707 rust-nix: unistd::getgrouplist has an out-of-bounds write
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-45707
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2039785
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-01-12 12:49 UTC by Marian Rehak
Modified: 2022-01-12 13:30 UTC (History)
2 users (show)

Fixed In Version: rust-nix 0.22.2
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Clone Of:
Environment:
Last Closed: 2022-01-12 13:30:40 UTC
Embargoed:

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Description Marian Rehak 2022-01-12 12:49:19 UTC 
An issue was discovered in the nix crate before 0.20.2, 0.21.x before 0.21.2, and 0.22.x before 0.22.2 for Rust. unistd::getgrouplist has an out-of-bounds write if a user is in more than 16 /etc/groups groups.

Reference:

https://rustsec.org/advisories/RUSTSEC-2021-0119.html
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nix/RUSTSEC-2021-0119.md
Comment 1 Marian Rehak 2022-01-12 12:49:43 UTC 
Created rust-nix tracking bugs for this issue:

Affects: fedora-all [bug 2039785]
Comment 2 Product Security DevOps Team 2022-01-12 13:30:38 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.
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