CVE-2020-27823
Published: August 31, 2023Last modified: August 31, 2023
Description
A flaw was found in OpenJPEG’s encoder. This flaw allows an attacker to pass specially crafted x,y offset input to OpenJPEG to use during encoding. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | openjpeg | Not affected (2.5.0-r0) |
| Stream | openjpeg | Not affected (2.5.0-r3) |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1905762
- https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
- https://www.debian.org/security/2021/dsa-4882