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."

Score

CVSS 3.0 7.5 High

Status

Modified - cve@mitre.org

Published

2019-04-24

Last modified

2024-08-04

Weaknesses

CWE-59

Affected products

• Snapd (Canonical)

References

• http://www.openwall.com/lists/oss-security/2019/04/25/7
• https://github.com/snapcore/snapd/pull/6642
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J…
• https://www.openwall.com/lists/oss-security/2019/04/18/4