CVE-2017-17819

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af	Patch Vendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392435	Exploit Issue Tracking Tool Signature Vendor Advisory
https://usn.ubuntu.com/3694-1/	Third Party Advisory
http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af	Patch Vendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392435	Exploit Issue Tracking Tool Signature Vendor Advisory
https://usn.ubuntu.com/3694-1/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nasm:netwide_assembler:2.14:rc0:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

History

No history.

Information

Published : 2017-12-21 03:29

Updated : 2025-04-20 01:37

NVD link : CVE-2017-17819

Mitre link : CVE-2017-17819

CVE.ORG link : CVE-2017-17819

JSON object : View

Products Affected

canonical

ubuntu_linux

nasm

netwide_assembler

CWE

CWE-476

NULL Pointer Dereference

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