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osvGoogleOSV:USN-5690-1
HistoryOct 19, 2022 - 3:47 p.m.

libxdmcp vulnerability

2022-10-1915:47:17
Google
osv.dev
5
libxdmcp
session keys
local attacker

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

It was discovered that libXdmcp was generating weak session keys.
A local attacker could possibly use this issue to perform a brute
force attack and obtain another user’s key.

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%