Bug 1840980 (CVE-2020-13361) - CVE-2020-13361 QEMU: es1370: OOB access due to incorrect frame count leads to DoS
Summary: CVE-2020-13361 QEMU: es1370: OOB access due to incorrect frame count leads to...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2020-13361
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: 1840985 1840986 1840987 1910696
Blocks: 1772801
TreeView+ depends on / blocked
 
Reported: 2020-05-28 04:09 UTC by Prasad Pandit
Modified: 2022-04-17 20:56 UTC (History)
28 users (show)

Fixed In Version: QEMU 5.0.1
Doc Type: If docs needed, set a value
Doc Text:
An out-of bounds access flaw was found in the ES1370 audio device emulator of the QEMU. This flaw occurs in the 'audio_pcm_sw_read', while reading an audio byte stream from a channel if the channel frame count is set to a malicious value. A guest user or process may use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Clone Of:
Environment:
Last Closed: 2021-12-15 11:32:36 UTC
Embargoed:

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Description Prasad Pandit 2020-05-28 04:09:54 UTC 
An OOB access issue was found in the ES1370 audio device emulator of the QEMU. The issue occurs in 'audio_pcm_sw_read', while reading audio byte stream from a channel, if the channel frame count is set to a malicious value. A guest user/process may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07230.html

Reference:
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  -> https://www.openwall.com/lists/oss-security/2020/05/28/1
Comment 1 Prasad Pandit 2020-05-28 04:10:03 UTC 
Acknowledgments:

Name: Ren Ding (SSLab Georgia Tech), Hanqing Zhao (SSLab Georgia Tech)
Comment 2 Prasad Pandit 2020-05-28 04:19:25 UTC 
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1840985]


Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1840986]
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