CVE-2019-14463
Published: 31 July 2019
An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUS_FC_WRITE_MULTIPLE_REGISTERS case, aka VD-1301.
From the Ubuntu Security Team
It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.
Notes
| Author | Note |
|---|---|
| ebarretto | Commit introduces regression, check if both commits are being applied. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libmodbus Launchpad, Ubuntu, Debian |
bionic |
Released
(3.0.6-2+deb9u1build0.18.04.1)
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Not vulnerable
(3.1.6-1)
|
|
| focal |
Not vulnerable
(3.1.6-1)
|
|
| groovy |
Not vulnerable
(3.1.6-1)
|
|
| hirsute |
Not vulnerable
(3.1.6-1)
|
|
| impish |
Not vulnerable
(3.1.6-1)
|
|
| jammy |
Not vulnerable
(3.1.6-1)
|
|
| trusty |
Released
(3.0.5-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
| xenial |
Released
(3.0.6-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
|
Patches: upstream: https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc upstream: https://github.com/stephane/libmodbus/commit/ca3fcb1c98755e8f44c33a910af4db3c799ee63e upstream: https://github.com/stephane/libmodbus/commit/6f915d4215c06be3c719761423d9b5e8aa3cb820 upstream: https://github.com/stephane/libmodbus/commit/2b5cb5896120d7564f4c34fdc5aaa4f22a97e45c upstream: https://github.com/stephane/libmodbus/commit/64cd092bcc421a70431fe1fb6b7f1e6f491f7cf8 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |