CVE-2019-20053
MEDIUMCVSS 5.5/10EPSS 1.23%
Last modified
CVE-2019-20053 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.
Description
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Upx | Upx | 3.95 | — |
| Opensuse | Backports | sle-15 | Sp1 |
| Opensuse | Leap | 15.1 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlMailing List, Third Party Advisory
- https://github.com/upx/upx/issues/314Exploit, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlMailing List, Third Party Advisory
- https://github.com/upx/upx/issues/314Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20053?
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
How severe is CVE-2019-20053?
CVE-2019-20053 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20053?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2019-20053?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST