CVE-2017-17818: canonical ubuntu_linux Out-of-bounds Read
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2017-17818DEBIAN-CVE-2017-17818
Published 21-12-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-17818 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.72% chance of exploitation in the next 30 days, higher than 85.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
2.72%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 21-12-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.72%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.72% on 19-09-2026
19-09-202619-10-2026
EPSS score2.72%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.nasm.us)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL14.04
Debian1 product
- nasm< 2.13.02-0.1
Nasm1 product
- netwide_assembler2.14:rc0
Ubuntu1 product
- nasm< 2.10.09-1ubuntu0.1 | < 2.11.08-1ubuntu0.1
4 vendors · 4 products
References
6 links- bugzilla.nasm.us/show_bug.cgi?id=3392428X Refsource MISCExploitIssue TrackingThird Party AdvisoryVDB Entry
