CVE-2023-23456
Published: August 31, 2023Last modified: August 31, 2023
Description
A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted 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
- https://bugzilla.redhat.com/show_bug.cgi?id=2160381
- https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4
- https://github.com/upx/upx/issues/632
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/