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CVE-2018-16872

Description

A flaw was found in qemu Media Transfer Protocol (MTP). The code opening files in usb_mtp_get_object and usb_mtp_get_partial_object and directories in usb_mtp_object_readdir doesnt consider that the underlying filesystem may have changed since the time lstat(2) was called in usb_mtp_object_alloc, a classical TOCTTOU problem. An attacker with write access to the host filesystem shared with a guest can use this property to navigate the host filesystem in the context of the QEMU process and read any file the QEMU process has access to. Access to the filesystem may be local or via a network share protocol such as CIFS.

Risk Information

Base Score
5.3
MODERATE
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.274

Associated Vulnerability

VulnerabilityOS Platform
Machine emulator and virtualizer (USN-3923-1) qemu-system_2.12+dfsg-3ubuntu8.6_i386.debLinux
Machine emulator and virtualizer (USN-3923-1) qemu-system_2.12+dfsg-3ubuntu8.6_amd64.debLinux
Machine emulator and virtualizer (USN-3923-1) qemu-system_2.11+dfsg-1ubuntu7.12_i386.debLinux
Machine emulator and virtualizer (USN-3923-1) qemu-system_2.11+dfsg-1ubuntu7.12_amd64.debLinux
Machine emulator and virtualizer (USN-3923-1) qemu-system_2.5+dfsg-5ubuntu10.36_amd64.debLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-block-curl-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-block-curl-debuginfo-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-debugsource-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-ipxe-1.0.0+-5.8.1.noarch.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-kvm-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-seabios-1.11.0-5.8.1.noarch.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-sgabios-8-5.8.1.noarch.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-tools-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-tools-debuginfo-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-vgabios-1.11.0-5.8.1.noarch.rpmLinux
SUSE-SU-2019:0435-1(SUSE Linux Enterprise Desktop 12-SP4 ) qemu-x86-2.11.2-5.8.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-block-curl-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-block-curl-debuginfo-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-debugsource-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-ipxe-1.0.0+-6.28.1.noarch.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-kvm-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-seabios-1.10.2-6.28.1.noarch.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-sgabios-8-6.28.1.noarch.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-tools-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-tools-debuginfo-2.9.1-6.28.1.x86_64.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-vgabios-1.10.2-6.28.1.noarch.rpmLinux
SUSE-SU-2019:0582-1(SUSE Linux Enterprise Desktop 12-SP3 ) qemu-x86-2.9.1-6.28.1.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234