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CVE-2019-20334

Date: January 4, 2020

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.

Language: ASSEMBLY

Severity Score

Related Resources (7)

https://security-tracker.debian.org/tracker/CVE-2019-20334
https://nvd.nist.gov/vuln/detail/CVE-2019-20334
https://access.redhat.com/security/cve/CVE-2019-20334
https://bugzilla.nasm.us/show_bug.cgi?id=3392638
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20334
https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4
https://www.mend.io/vulnerability-database/CVE-2019-20334

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Uncontrolled Recursion

CWE-674

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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