Buffer overflow in Upx
CVE-2024-3209
A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.012 (67.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Upx
- Fedoraproject Fedora — versions 38, 39, 40
- Upx — versions 4.2.0, 4.2.1, 4.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- drive.google.com/drive/folders/1qlUXvycOzGJygfkdQB9dGO6VwNRRZoih (Exploit, exploit)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-3209?
- CVE-2024-3209 is a medium-severity vulnerability in Upx, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2024-04-02.
- How severe is CVE-2024-3209?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2024-3209 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.