net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
| Version | Base score | Base severity | Vector |
|---|
| Hyperlink | Resource Type |
|---|
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
| Type | CWE ID | Description |
|---|---|---|
| text | N/A | n/a |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
| Hyperlink | Resource |
|---|---|
| http://www.securityfocus.com/bid/102110 | vdb-entry x_refsource_BID |
| https://usn.ubuntu.com/3617-1/ | vendor-advisory x_refsource_UBUNTU |
| https://usn.ubuntu.com/3619-2/ | vendor-advisory x_refsource_UBUNTU |
| https://www.debian.org/security/2018/dsa-4082 | vendor-advisory x_refsource_DEBIAN |
| https://usn.ubuntu.com/3617-3/ | vendor-advisory x_refsource_UBUNTU |
| https://lkml.org/lkml/2017/12/5/982 | x_refsource_MISC |
| https://usn.ubuntu.com/3583-2/ | vendor-advisory x_refsource_UBUNTU |
| http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html | vendor-advisory x_refsource_SUSE |
| https://usn.ubuntu.com/3632-1/ | vendor-advisory x_refsource_UBUNTU |
| https://usn.ubuntu.com/3583-1/ | vendor-advisory x_refsource_UBUNTU |
| https://www.debian.org/security/2017/dsa-4073 | vendor-advisory x_refsource_DEBIAN |
| https://usn.ubuntu.com/3617-2/ | vendor-advisory x_refsource_UBUNTU |
| https://usn.ubuntu.com/3619-1/ | vendor-advisory x_refsource_UBUNTU |
| Version | Base score | Base severity | Vector |
|---|
| CAPEC ID | Description |
|---|
| Event | Date |
|---|
| Hyperlink | Resource |
|---|---|
| http://www.securityfocus.com/bid/102110 | vdb-entry x_refsource_BID x_transferred |
| https://usn.ubuntu.com/3617-1/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| https://usn.ubuntu.com/3619-2/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| https://www.debian.org/security/2018/dsa-4082 | vendor-advisory x_refsource_DEBIAN x_transferred |
| https://usn.ubuntu.com/3617-3/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| https://lkml.org/lkml/2017/12/5/982 | x_refsource_MISC x_transferred |
| https://usn.ubuntu.com/3583-2/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html | vendor-advisory x_refsource_SUSE x_transferred |
| https://usn.ubuntu.com/3632-1/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| https://usn.ubuntu.com/3583-1/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| https://www.debian.org/security/2017/dsa-4073 | vendor-advisory x_refsource_DEBIAN x_transferred |
| https://usn.ubuntu.com/3617-2/ | vendor-advisory x_refsource_UBUNTU x_transferred |
| https://usn.ubuntu.com/3619-1/ | vendor-advisory x_refsource_UBUNTU x_transferred |
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.0 | 7.8 | HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Primary | 2.0 | 4.6 | MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |