CVE-2019-20053 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Upx	Upx	3.95
Opensuse	Backports	sle-15
Opensuse	Leap	15.1

Related Weaknesses (CWE)

CWE-119

References

http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlMailing ListThird Party Advisory
https://github.com/upx/upx/issues/314ExploitThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.htmlMailing ListThird Party Advisory
https://github.com/upx/upx/issues/314ExploitThird Party Advisory

FAQ

What is CVE-2019-20053?

CVE-2019-20053 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 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-2019-20053?

Check the references section above for vendor advisories and patch information. Affected products include: Upx Upx, Opensuse Backports, Opensuse Leap.