CVE-2019-11360
Published: 12 July 2019
A buffer overflow in iptables-restore in netfilter iptables 1.8.2 allows an attacker to (at least) crash the program or potentially gain code execution via a specially crafted iptables-save file. This is related to add_param_to_argv in xshared.c.
Priority
Negligible
CVSS 3 base score: 4.2
Status
| Package | Release | Status |
|---|---|---|
|
iptables Launchpad, Ubuntu, Debian |
Upstream |
Released
(1.8.3-2)
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(1.8.3-2ubuntu4)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Not vulnerable
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
|
|
|
Patches: Upstream: https://git.netfilter.org/iptables/commit/iptables/xshared.c?id=2ae1099a42e6a0f06de305ca13a842ac83d4683e (1.8.3) Upstream: https://git.netfilter.org/iptables/commit/iptables/xshared.c?id=2ae1099a42e6a0f06de305ca13a842ac83d4683e |
||
Notes
| Author | Note |
|---|---|
| mdeslaur | To exploit this, you would need to trick someone into restoring a set of iptables rules from a malicious iptables-save file. This is quite an unlikely scenario. Reproducer doesn't work on xenial and bionic, like an issue in 1.8.2 only. |