CVE-2019-20021
Published: August 31, 2023Last modified: August 31, 2023
Description
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | upx | Not affected (4.0.2-r0) |
| Stream | upx | Not affected (4.1.0-r0) |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
- https://github.com/upx/upx/issues/315
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/D7XU42G6MUQQXHWRP7DCF2JSIBOJ5GOO/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/EUTVSTXAFTD552NO2K2RIF6MDQEHP3BE/