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ROSA LABROSA-SA-2021-1881

HistoryJul 02, 2021 - 5:15 p.m.

Advisory ROSA-SA-2021-1881

2021-07-0217:15:26

ROSA LAB

abf.rosalinux.ru

advisory

libntlm

buffer overflow

tsmbntlmauthrequest

tsmbntlmauthchallenge

tsmbntlmauthresponse

CVSS2

7.5

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

9.8

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

AI Score

7.6

Confidence

Low

EPSS

0.006

Percentile

79.1%

JSON

Software: libntlm 1.3
OS: Cobalt 7.9

CVE-ID: CVE-2019-17455
CVE-Crit: CRITICAL.
CVE-DESC: Libntlm before 1.5 relies on fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge and tSmbNtlmAuthResponse for read and write operations, as demonstrated by stack-based buffer overflow in buildSmbNtlmAuthRequest in smbutilted.c for crawtilted.c request.
CVE-STATUS: default
CVE-REV: default

OSVersionArchitecturePackageVersionFilename
Cobaltanynoarchlibntlm< 1.3UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Cobalt	any	noarch	libntlm	< 1.3	UNKNOWN

CVSS2

7.5

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

9.8

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

AI Score

7.6

Confidence

Low

EPSS

0.006

Percentile

79.1%

JSON

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