CVE & CISA-KEV Catalog

CVE-2018-16789

HIGHEPSS 93th pctl
7.5
CVSS v3
NVD

Description

libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.

How to fix

Remediation Available
shellinaboxDebian
Fixed in:2.21CVE-2018-16789
Fixed in:2.21CVE-2018-16789
Fixed in:2.21CVE-2018-16789
Fixed in:2.21CVE-2018-16789

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

5.99%probability of exploitation in 30 days
93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13935High7.588%-Fix
CVE-2020-36227High7.578%-Fix
CVE-2024-20353High8.671%KEV-
CVE-2022-0778High7.571%-Fix
CVE-2019-14241High7.570%--
CVE-2017-16944High7.563%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.