SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-10197

An unauthenticated attacker could use this flaw to escape the shared directory and access the contents of directories outside the share.

CRITICAL 9.1EPSS 3.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A flaw was found in samba versions 4.9.x up to 4.9.13, samba 4.10.x up to 4.10.8 and samba 4.11.x up to 4.11.0rc3, when certain parameters were set in the samba configuration file. An unauthenticated attacker could use this flaw to escape the shared directory and access the contents of directories outside the share.

CVSS 3.0
9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
3.18% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
samba/samba · canonical/ubuntu linux · debian/debian linux
Source
secalert@redhat.com

References

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