Bug 2057776 (CVE-2021-0561) - CVE-2021-0561 flac: out of bound write in append_to_verify_fifo_interleaved_ of stream_encoder.c
Summary: CVE-2021-0561 flac: out of bound write in append_to_verify_fifo_interleaved_ ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-0561
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2057777 2058481 2058482
Blocks: 2057778
TreeView+ depends on / blocked
 
Reported: 2022-02-24 05:16 UTC by Avinash Hanwate
Modified: 2022-12-04 23:32 UTC (History)
8 users (show)

Fixed In Version: flac 1.3.4
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds write vulnerability was found in libFlak. The vulnerability occurs due to a missing bounds check. This flaw allows a local attacker without additional execution privileges to cause local information disclosure.
Clone Of:
Environment:
Last Closed: 2022-12-04 23:32:53 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:8078 0 None None None 2022-11-15 10:09:16 UTC

Description Avinash Hanwate 2022-02-24 05:16:08 UTC 
In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

https://security-tracker.debian.org/tracker/CVE-2021-0561
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0561
https://github.com/xiph/flac/commit/e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be
Comment 1 Avinash Hanwate 2022-02-24 05:16:31 UTC 
Created flac tracking bugs for this issue:

Affects: fedora-all [bug 2057777]
Comment 6 errata-xmlrpc 2022-11-15 10:09:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2022:8078 https://access.redhat.com/errata/RHSA-2022:8078
Comment 7 Product Security DevOps Team 2022-12-04 23:32:51 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-0561
Note You need to log in before you can comment on or make changes to this bug.