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CVE-2015-1340

chmod race in doUidshiftIntoContainer

Published: Apr 22, 2019Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-362
NVD MITRE
7.0CVSSHIGH
EPSS Score
0.9%
Top 45.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker's choice.

CVSS Vector Breakdown

AV:PAC:HPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-362

Affected Products

LXDUbuntu
On-prem
Operating Systems / linux-distro
lxdlinuxcontainers
Mixed
Cloud & SaaS / container-orchestration
github.com/lxc/lxdGoOSS Libraries
ubuntucommercialGBOperating Systemsaka ubuntu linux
linuxcontainersoss-projectCloud & SaaSaka incus, lxc
gopackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4
github.com
https://nvd.nist.gov/vuln/detail/CVE-2015-1340
nvd.nist.gov
https://github.com/lxc/lxd/pull/1189
github.com
and 3 more references View all →

Timeline

Published
Apr 22, 2019
Last Updated
Nov 21, 2024

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