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Debian LTS Advisory ([SECURITY] [DLA 1694-1] qemu security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

, 902725, 921525 Several vulnerabilities were found in QEMU, a fast processor emulator: CVE-2018-12617 The qmp_guest_file_read function (qga/commands-posix.c) is affected by an integer overflow and subsequent memory allocation failure. This weakness might be leveraged by remote attackers to cause denial of service (application crash). CVE-2018-16872 The usb_mtp_get_object, usb_mtp_get_partial_object and usb_mtp_object_readdir functions (hw/usb/dev-mtp.c) are affected by a symlink attack. Remote attackers might leverage this vulnerability to perform information disclosure. CVE-2019-6778 The tcp_emu function (slirp/tcp_subr.c) is affected by a heap buffer overflow caused by insufficient validation of available space in the sc_rcv->sb_data buffer. Remote attackers might leverage this flaw to cause denial of service, or any other unspecified impact.

Affected Software

Affected Software

qemu on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For Debian 8 'Jessie', these problems have been fixed in version 1:2.1+dfsg-12+deb8u10. We recommend that you upgrade your qemu packages.

Common Vulnerabilities and Exposures (CVE)