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3.3
CVSSv2

CVE-2020-29443

Published: 26/01/2021 Updated: 30/09/2022
CVSS v2 Base Score: 3.3 | Impact Score: 4.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 3.9 | Impact Score: 2.7 | Exploitability Score: 0.8
VMScore: 294
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:P
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Vulnerability Summary

ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated.

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qemu qemu 5.1.0

debian debian linux 9.0

debian debian linux 10.0

Vendor Advisories

Debian CVElist Bug Report Logs: CVE-2020-29443
Debian Bug report logs - #983575 CVE-2020-29443 Package: qemu; Maintainer for qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Source for qemu is src:qemu (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Fri, 26 Feb 2021 16:27:01 UTC Severity: important Tags: security, u ...
Amazon Linux 2: ALAS2-2021-1671
A heap buffer overflow flaw was found in the iSCSI support of QEMU This flaw could lead to an out-of-bounds read access and possible information disclosure from the QEMU process memory to a malicious guest The highest threat from this vulnerability is to data confidentiality (CVE-2020-11947) An infinite loop flaw was found in the e1000e NIC emul ...
Arch Linux Issues:
An out-of-bounds read access issue was found in the ATAPI Emulator of QEMU It occurs while processing ATAPI read command if logical block address(LBA) is set an invalid value A guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario ...

Mailing Lists

Full Disclosure: CVE-2020-29443 QEMU: ide: atapi: OOB access while processing read commands
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> CVE-2020-29443 QEMU: ide: atapi: OOB access while processing read commands <!--X-Subject-Header-End--> <!--X-Head-of-Message-- ...

References

CWE-125https://lists.nongnu.org/archive/html/qemu-devel/2020-11/msg04685.htmlhttp://www.openwall.com/lists/oss-security/2021/01/18/2https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlhttps://security.netapp.com/advisory/ntap-20210304-0003/https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=983575https://nvd.nist.govhttps://alas.aws.amazon.com/AL2/ALAS-2021-1671.html
CVSSv2
CVSSv2
CVSSv3
VMScore
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