Vulnerability 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.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Upx | Upx | 3.95 |
| Fedoraproject | Fedora | 30 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlBroken Link
- https://github.com/upx/upx/issues/315ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlBroken Link
- https://github.com/upx/upx/issues/315ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-20021?
CVE-2019-20021 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
How severe is CVE-2019-20021?
CVE-2019-20021 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20021?
Check the references section above for vendor advisories and patch information. Affected products include: Upx Upx, Fedoraproject Fedora.