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CVE-2018-1171

23
FAUCET Score

CVE-2018-1171 is a local privilege escalation vulnerability affecting Joyent SmartOS release-20170803-20170803T064301Z, stemming from improper validation of user-supplied data in DTrace DOF files. This flaw, rated 7.0 HIGH (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H), allows an authenticated, low-privileged attacker to execute code on the host OS by writing past the end of an allocated object. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
20170803-20170803t064301zCPE matchmatch criteria
cpe:2.3:o:joyent:smartos:20170803-20170803t064301z:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
11.3CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 77th percentile among its peer group of 1,516 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

oraclepatch availablevia nvd_reference
View patch

References

help.joyent.com / hc/en-us/articles/360000608188
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-18-236
Third Party AdvisoryVDB Entry
oracle.com / technetwork/security-advisory/cpujul2018-4258247.html
PatchThird Party Advisory
securityfocus.com / bid/104799
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041303
Third Party AdvisoryVDB Entry