Vulnerability Monitor

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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.

Published

2017-12-21T03:29:00.553

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nasm	netwide_assembler	2.14	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes

References

http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af Patch, Vendor Advisory ([email protected])
https://bugzilla.nasm.us/show_bug.cgi?id=3392435 Exploit, Issue Tracking, Tool Signature, Vendor Advisory ([email protected])
https://usn.ubuntu.com/3694-1/ Third Party Advisory ([email protected])
http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.nasm.us/show_bug.cgi?id=3392435 Exploit, Issue Tracking, Tool Signature, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3694-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)