CVE-2017-17818

moderate-risk
Published 2017-12-21

In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read that will cause a remote denial of service attack, related to a while loop in paste_tokens in asm/preproc.c.

Do I need to act?

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0.68% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Canonical Nasm

References (4)

Exploit https://bugzilla.nasm.us/show_bug.cgi?id=3392428
Third Party Advisory https://usn.ubuntu.com/3694-1/
Exploit https://bugzilla.nasm.us/show_bug.cgi?id=3392428
Third Party Advisory https://usn.ubuntu.com/3694-1/
35
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 7/34 · Low