CVE Vulnerability

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."

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.openwall.com/lists/oss-security/2019/04/18/4 Mailing List Exploit
https://github.com/snapcore/snapd/pull/6642 Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/25/7 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VPU6APEZHAA7N2AI57OT4J2P7NKHFOLM/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6VACEKVQ7UAZ32WO4ZKCFW6YOBSYJ76L/
Configurations

Configuration 1

cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:*
Information

Published : 2019-04-24 09:29

Updated : 2019-07-13 03:15

NVD link : CVE-2019-11503

Mitre link : CVE-2019-11503

Products Affected
No products.
CWE
CWE-59