CVE-2022-46174CWE-362

Race condition during concurrent TLS mounts in efs-utils

Medium · published December 28, 2022

CVSS v3.1
4.2
EPSS
1%
Percentile
48.9
In the wild
Unconfirmed
What it is

efs-utils is a set of Utilities for Amazon Elastic File System (EFS). A potential race condition issue exists within the Amazon EFS mount helper in efs-utils versions v1.34.3 and below. When using TLS to mount file systems, the mount helper allocates a local port for stunnel to receive NFS connections prior to applying the TLS tunnel. In affected versions, concurrent mount operations can allocate the same local port, leading to either failed mount operations or an inappropriate mapping from an EFS customer’s local mount points to that customer’s EFS file systems. This issue is patched in version v1.34.4. There is no recommended work around. We recommend affected users update the installed version of efs-utils to v1.34.4 or later.

The record
Technical detail
CVSS v3.1
4.2 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00617 · 48.9th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2022-12-28T06:46Z
EPSS history
Timeline
  • 28 DEC 06:46Z
    Race condition during concurrent TLS mounts in efs-utils
    cvelistv5