CVE-2018-16376
Publication date 3 September 2018
Last updated 24 July 2024
Ubuntu priority
An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the function t2_encode_packet in lib/openmj2/t2.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| openjpeg | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of ESM support, was ignored [see notes] | |
| openjpeg2 | 20.04 LTS focal |
Not affected
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release |
Notes
mdeslaur
Ubuntu packages are built with BUILD_MJ2:BOOL=OFF, so the affected code isn't compiled
ccdm94
according to the comments available in issue 1328 of openjpeg (https://github.com/uclouvain/openjpeg/issues/1328), this issue will not be fixed by upstream, as the vulnerable components were simply removed from the code in pull request #1350. For this reason, xenial and trusty cannot be patched for this issue in package openjpeg.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.8 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |