CVE-2015-1340 — HIGH (7.0) — White Hats Nepal

Vulnerability 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 Score

7.0

HIGH

CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linuxcontainers	Lxd	-

Related Weaknesses (CWE)

CWE-362

References

https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4PatchThird Party Advisory
https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4PatchThird Party Advisory

FAQ

What is CVE-2015-1340?

CVE-2015-1340 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 an...

How severe is CVE-2015-1340?

CVE-2015-1340 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-1340?

Check the references section above for vendor advisories and patch information. Affected products include: Linuxcontainers Lxd.