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ubuntuUbuntuUSN-6489-1
HistoryNov 20, 2023 - 12:00 a.m.

Tang vulnerability

2023-11-2000:00:00
ubuntu.com
19
tang
ubuntu
vulnerability
local attacker
keys
permissions
cryptographic binding

CVSS3

5.3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

27.7%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • tang - network-based cryptographic binding server

Details

Brian McDermott discovered that Tang incorrectly handled permissions when
creating/rotating keys. A local attacker could possibly use this issue to
read the keys.

Rows per page:
1-10 of 151

CVSS3

5.3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

27.7%