Ubuntu.comUB:CVE-2019-17455CVE-2019-17455
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
79.1%
Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest,
tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations,
as demonstrated by a stack-based buffer over-read in
buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.
Bugs
- <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942145>
- <https://bugs.launchpad.net/ubuntu/+source/libntlm/+bug/1847701>
Notes
| Author | Note |
|---|---|
| ebarretto | No fix available as of 2019-12-04 |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
79.1%