CVE-2016-7116

Publication date 31 August 2016

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a .. (dot dot) in an unspecified string.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
qemu	16.10 yakkety	Fixed 1:2.6.1+dfsg-0ubuntu5.1
	16.04 LTS xenial	Fixed 1:2.5+dfsg-5ubuntu10.6
	14.04 LTS trusty	Fixed 2.0.0+dfsg-2ubuntu1.30
	12.04 LTS precise	Not in release
qemu-kvm	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Fixed 1.0+noroms-0ubuntu14.31

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
qemu	Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=917e9a9816f34787391059c89ba5fb770fe22028 Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=b5191b2df7dc92a7a4f7fb4d18c37cf8aae38894 Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=85d0a53c583656e5e37a8317f9119933c796847f Upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=5e2c6fe7cc5314c13d96069328b603c40dc12b41

Severity score breakdown

Parameter	Value
Base score	6.0 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-3125-1
QEMU vulnerabilities
9 November 2016