SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-3860

A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CRITICAL 9.1EPSS 5.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads 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.

CVSS 3.0
9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS
5.12% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
libssh2/libssh2 · debian/debian linux · netapp/ontap select deploy administration utility · opensuse/leap
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.