Bug 2020394 (CVE-2021-30833) - CVE-2021-30833 xar: unpacking a maliciously crafted archive may allow an attacker to write arbitrary files
Summary: CVE-2021-30833 xar: unpacking a maliciously crafted archive may allow an atta...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-30833
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2020396 2020395
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-11-04 18:14 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-11-04 18:37 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-11-04 18:37:28 UTC
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2021-11-04 18:14:20 UTC 
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

References:
https://research.nccgroup.com/2021/10/28/technical-advisory-apple-xar-arbitrary-file-write-cve-2021-30833/
https://support.apple.com/en-us/HT212869
Comment 1 Guilherme de Almeida Suckevicz 2021-11-04 18:14:36 UTC 
Created xar tracking bugs for this issue:

Affects: epel-8 [bug 2020396]
Affects: fedora-all [bug 2020395]
Comment 2 Product Security DevOps Team 2021-11-04 18:37:26 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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