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CVE-2019-11503

Good to know:

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Date: April 24, 2019

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."

Language: Go

Severity Score

Related Resources (11)

https://security-tracker.debian.org/tracker/CVE-2019-11503
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/
http://www.openwall.com/lists/oss-security/2019/04/25/7
https://nvd.nist.gov/vuln/detail/CVE-2019-11503
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/
https://www.openwall.com/lists/oss-security/2019/04/18/4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11503
https://github.com/snapcore/snapd/pull/6642
https://www.mend.io/vulnerability-database/CVE-2019-11503

Severity Score

Weakness Type (CWE)

Link Following

CWE-59

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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