Vulnerability CVE-2017-17819
Published: 2017-12-20   Modified: 2017-12-21

Description:
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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
NASM -> Netwide assmembler 
Canonical -> Ubuntu linux 

 References:
http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af
https://bugzilla.nasm.us/show_bug.cgi?id=3392435
https://usn.ubuntu.com/3694-1/
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