CVE & CISA-KEV Catalog

CVE-2018-16789

HIGHEPSS 92th 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.

CWE-835

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

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
92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Third-Party Advisory1
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HTML

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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.