CVE-2019-20334 — MEDIUM (5.5)

Vulnerability Description

In Netwide Assembler (NASM) 2.14.02, stack consumption occurs in expr# functions in asm/eval.c. This potentially affects the relationships among expr0, expr1, expr2, expr3, expr4, expr5, and expr6 (and stdscan in asm/stdscan.c). This is similar to CVE-2019-6290 and CVE-2019-6291.

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
Nasm	Netwide Assembler	2.14.02

Related Weaknesses (CWE)

CWE-674

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4ExploitIssue TrackingVendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392638ExploitIssue TrackingVendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4ExploitIssue TrackingVendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392638ExploitIssue TrackingVendor Advisory

FAQ

What is CVE-2019-20334?

CVE-2019-20334 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In Netwide Assembler (NASM) 2.14.02, stack consumption occurs in expr# functions in asm/eval.c. This potentially affects the relationships among expr0, expr1, expr2, expr3, expr4, expr5, and expr6 (an...

How severe is CVE-2019-20334?

CVE-2019-20334 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-2019-20334?

Check the references section above for vendor advisories and patch information. Affected products include: Nasm Netwide Assembler.