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ubuntuUbuntuUSN-6169-1
HistoryJun 15, 2023 - 12:00 a.m.

GNU SASL vulnerability

2023-06-1500:00:00
ubuntu.com
157
ubuntu 22.04 lts
ubuntu 20.04 lts
ubuntu 18.04 esm
ubuntu 16.04 esm
ubuntu 14.04 esm
gsasl
out-of-bounds reads
remote attacker
denial of service
sensitive information
unix

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.002

Percentile

57.7%

Releases

  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • gsasl - GNU SASL command line utility

Details

It was discovered that GNU SASL’s GSSAPI server could make an
out-of-bounds reads if given specially crafted GSS-API authentication
data. A remote attacker could possibly use this issue to cause a
denial of service or to expose sensitive information.

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.002

Percentile

57.7%