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CVE-2021-3713

Published: 25/08/2021 Updated: 25/10/2022
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.4 | Impact Score: 6 | Exploitability Score: 0.7
VMScore: 410
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

An out-of-bounds write flaw was found in the UAS (USB Attached SCSI) device emulation of QEMU in versions before 6.2.0-rc0. The device uses the guest supplied stream number unchecked, which can lead to out-of-bounds access to the UASDevice->data3 and UASDevice->status3 fields. A malicious guest user could use this flaw to crash QEMU or potentially achieve code execution with the privileges of the QEMU process on the host.

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Debian CVElist Bug Report Logs: qemu: CVE-2021-3713
Debian Bug report logs - #992727 qemu: CVE-2021-3713 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 22 Aug 2021 18:45:04 UTC Severity: important Tags: security, upstream Found in version qemu/1: ...
Ubuntu Security Notice: USN-5307-1: QEMU vulnerabilities
Several security issues were fixed in QEMU ...
Debian Security Advisories: DSA-4980-1 qemu -- security update
Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service or the the execution of arbitrary code For the stable distribution (bullseye), these problems have been fixed in version 1:52+dfsg-11+deb11u1 We recommend that you upgrade your qemu packages For the detailed security status of qe ...
Red Hat: CVE-2021-3713
An out-of-bounds write flaw was found in the UAS (USB Attached SCSI) device emulation of QEMU The device uses the guest supplied stream number unchecked, which can lead to out-of-bounds access to the UASDevice->data3 and UASDevice->status3 fields A malicious guest user could use this flaw to crash QEMU or potentially achieve code ex ...
Arch Linux Issues:
An out-of-bounds write issue was found in the UAS (USB Attached SCSI) device emulation of QEMU It occurs due to missing sanity checks in the usb_uas_handle_data() function in hw/usb/dev-uasc In particular, the device uses the guest-supplied stream number unchecked, which can lead to guest-triggered out-of-bounds access to the UASDevice->data3 ...

References

CWE-787https://bugzilla.redhat.com/show_bug.cgi?id=1994640https://lists.debian.org/debian-lts-announce/2021/09/msg00000.htmlhttps://security.netapp.com/advisory/ntap-20210923-0006/https://www.debian.org/security/2021/dsa-4980https://security.gentoo.org/glsa/202208-27https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992727https://ubuntu.com/security/notices/USN-5307-1https://nvd.nist.gov
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Recommendations:
encryptionCVE-2024-4331CVE-2024-26925arbitrary codeCVE-2006-4304CVE-2024-25458CVE-2024-27077reflected XSSCVE-2024-4059
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