Vulnerability Details : CVE-2017-17819
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2017-17819
- cpe:2.3:a:nasm:netwide_assembler:2.14:rc0:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-17819
0.42%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-17819
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-17819
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-17819
-
https://bugzilla.nasm.us/show_bug.cgi?id=3392435
3392435 – There is an illegal address access in function find_cc() of nasm.Exploit;Issue Tracking;Tool Signature;Vendor Advisory
-
https://usn.ubuntu.com/3694-1/
USN-3694-1: NASM vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af
Public Git Hosting - nasm.git/commitPatch;Vendor Advisory
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