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ubuntucveUbuntu.comUB:CVE-2023-27536
HistoryMar 20, 2023 - 12:00 a.m.

CVE-2023-27536

2023-03-2000:00:00
ubuntu.com
ubuntu.com
30

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

59.7%

JSON

An authentication bypass vulnerability exists libcurl <8.0.0 in the
connection reuse feature which can reuse previously established connections
with incorrect user permissions due to a failure to check for changes in
the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects
krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in
unauthorized access to sensitive information. The safest option is to not
reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchcurl< 7.58.0-2ubuntu3.24UNKNOWN
ubuntu20.04noarchcurl< 7.68.0-1ubuntu2.18UNKNOWN
ubuntu22.04noarchcurl< 7.81.0-1ubuntu1.10UNKNOWN
ubuntu22.10noarchcurl< 7.85.0-1ubuntu0.5UNKNOWN
ubuntu23.04noarchcurl< 7.88.1-6ubuntu2UNKNOWN
ubuntu14.04noarchcurl< 7.35.0-1ubuntu2.20+esm15) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchcurl< 7.47.0-1ubuntu2.19+esm8) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

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5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

59.7%

JSON
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