Bug 1130241 – VUL-1: CVE-2019-7303: The snapd seccomp filter is configured to block ioctl(..., TIOCSTI, ...) but in snapd < 2.37.4 this could be circumvented on 64 bit architectures by setting any high bits in the 2nd argument to ioctl.

Bug 1130241 - (CVE-2019-7303) VUL-1: CVE-2019-7303: The snapd seccomp filter is configured to block ioctl(..., TIOCSTI, ...) but in snapd < 2.37.4 this could be circumvented on 64 bit architectures by setting any high bits in the 2nd argument to ioctl.

(CVE-2019-7303)
Summary:	VUL-1: CVE-2019-7303: The snapd seccomp filter is configured to block ioctl(....

Status:	RESOLVED FIXED

Classification:	openSUSE
Product:	openSUSE Distribution
Classification:	openSUSE
Component:	Other
Version:	Leap 42.3
Hardware:	Other Other

Priority:	P4 - Low Severity: Minor (vote)
Target Milestone:	---
Assigned To:	Zygmunt Krynicki
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/226801/
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Reported:	2019-03-22 15:36 UTC by Marcus Meissner
Modified:	2019-04-12 13:23 UTC (History)
CC List:	0 users

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Found By:	Security Response Team
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Description Marcus Meissner 2019-03-22 15:36:51 UTC

CVE-2019-7303

The snapd seccomp filter is configured to block ioctl(..., TIOCSTI, ...) but
in snapd < 2.37.4 this could be circumvented on 64 bit architectures by
setting any high bits in the 2nd argument to ioctl.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-7303
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-7303.html

Comment 1 Zygmunt Krynicki 2019-04-12 13:23:17 UTC

This has been fixed in 2.37.4 which is available in the system:snappy repository already.