CVE-2019-11503 - snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass."

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HIGH

snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass."

Published Apr 24, 2019

7.5

HIGH

CVSS 3.0

EPSS 2.42%

Description

snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass."

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-59

References (6)

http://www.openwall.com/lists/oss-security/2019/04/25/7
mailing-listx_refsource_MLISTThird Party Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-3176
Advisory
https://github.com/snapcore/snapd/pull/6642
x_refsource_MISCThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/
vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/
vendor-advisoryx_refsource_FEDORA
https://www.openwall.com/lists/oss-security/2019/04/18/4
x_refsource_MISCExploitMailing ListPatchThird Party Advisory

Link	Providers	Tags
http://www.openwall.com/lists/oss-security/2019/04/25/7		mailing-listx_refsource_MLISTThird Party Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-3176		Advisory
https://github.com/snapcore/snapd/pull/6642		x_refsource_MISCThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/		vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/		vendor-advisoryx_refsource_FEDORA
https://www.openwall.com/lists/oss-security/2019/04/18/4		x_refsource_MISCExploitMailing ListPatchThird Party Advisory