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ubuntucveUbuntu.comUB:CVE-2023-0836
HistoryMar 27, 2023 - 12:00 a.m.

CVE-2023-0836

2023-03-2700:00:00
ubuntu.com
ubuntu.com
4

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

51.9%

An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before
2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7
before 2.7.1. There are 5 bytes left uninitialized in the connection buffer
when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be
disclosed to configured FastCGI backends in an unexpected way.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchhaproxy< 2.4.18-0ubuntu1.3UNKNOWN
ubuntu22.10noarchhaproxy< 2.4.18-1ubuntu1.3UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

51.9%