CVE-2019-17543
Published: 14 October 2019
LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states "only a few specific / uncommon usages of the API are at risk."
Notes
| Author | Note |
|---|---|
| mdeslaur |
code is different in bionic and earlier, no indication that it is vulnerable to this issue. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
lz4
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(0.0~r131-2ubuntu3.1)
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Not vulnerable
(1.9.2-2)
|
|
| groovy |
Not vulnerable
(1.9.2-2)
|
|
| hirsute |
Not vulnerable
(1.9.2-2)
|
|
| impish |
Not vulnerable
(1.9.2-2)
|
|
| jammy |
Not vulnerable
(1.9.2-2)
|
|
| trusty |
Not vulnerable
(0.0~r114-2ubuntu1)
|
|
| upstream |
Released
(1.9.2-1)
|
|
| xenial |
Not vulnerable
(0.0~r131-2ubuntu2)
|
|
|
Patches:
upstream: https://github.com/lz4/lz4/commit/690009e2c2f9e5dcb0d40e7c0c40610ce6006eda upstream: https://github.com/lz4/lz4/commit/6bc6f836a18d1f8fd05c8fc2b42f1d800bc25de1 upstream: https://github.com/lz4/lz4/commit/13a2d9e34ffc4170720ce417c73e396d0ac1471a |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |