CVE & CISA-KEV Catalog

CVE-2019-3862

HIGHEPSS 94th pctl
7.3
CVSS v3
NVD

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

How to fix

Remediation Available
libssh2Debian
Fixed in:1.8.0-2.1CVE-2019-3862
Fixed in:1.8.0-2.1CVE-2019-3862
Fixed in:1.8.0-2.1CVE-2019-3862
Fixed in:1.8.0-2.1CVE-2019-3862
libssh2Ubuntu
Fixed in:1.5.0-2ubuntu0.1+esm1USN-5308-1
libssh2-1Ubuntu
Fixed in:1.5.0-2ubuntu0.1+esm1USN-5308-1

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

ConfidentialityLow
IntegrityLow
AvailabilityLow

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

Exploit Intelligence

8.11%probability of exploitation in 30 days
94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

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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.