CVE-2022-42472 - A improper neutralization of crlf sequences in http headers ('http response splitting') in Fortinet FortiOS versions 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.11, 6.2.0 through 6.2.12, 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, 7.0.0 through 7.0.7, 2.0.0 through 2.0.10, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6 may allow an authenticated and remote attacker to perform an HTTP request splitting attack which gives attackers control of the remaining headers and body of the response

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MEDIUM

A improper neutralization of crlf sequences in http headers ('http response splitting') in Fortinet FortiOS versions 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.11, 6.2.0 through 6.2.12, 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, 7.0.0 through 7.0.7, 2.0.0 through 2.0.10, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6 may allow an authenticated and remote attacker to perform an HTTP request splitting attack which gives attackers control of the remaining headers and body of the response

Published Feb 16, 2023

5.4

MEDIUM

CVSS 3.1

EPSS 0.46%

Description

A improper neutralization of crlf sequences in http headers ('http response splitting') in Fortinet FortiOS versions 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.11, 6.2.0 through 6.2.12, 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, 7.0.0 through 7.0.7, 2.0.0 through 2.0.10, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6 may allow an authenticated and remote attacker to perform an HTTP request splitting attack which gives attackers control of the remaining headers and body of the response.

Affected products

Vendor Fortinet Product FortiOS Default
unaffected
- Version
  6.0.0
  Status
  affected
  Constraints
  <=6.0.16
- Version
  6.2.0
  Status
  affected
  Constraints
  <=6.2.12
- Version
  6.4.0
  Status
  affected
  Constraints
  <=6.4.11
- Version
  7.0.0
  Status
  affected
  Constraints
  <=7.0.8
- Version
  7.2.0
  Status
  affected
  Constraints
  <=7.2.2
Vendor Fortinet Product FortiProxy Default
unaffected
- Version
  1.1.0
  Status
  affected
  Constraints
  <=1.1.6
- Version
  1.2.0
  Status
  affected
  Constraints
  <=1.2.13
- Version
  2.0.0
  Status
  affected
  Constraints
  <=2.0.10
- Version
  7.0.0
  Status
  affected
  Constraints
  <=7.0.7
- Version
  7.2.0
  Status
  affected
  Constraints
  <=7.2.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Fortinet

FortiOS

unaffected

Version	Status	Constraints
6.0.0	affected	<=6.0.16
6.2.0	affected	<=6.2.12
6.4.0	affected	<=6.4.11
7.0.0	affected	<=7.0.8
7.2.0	affected	<=7.2.2

Fortinet

FortiProxy

unaffected

Version	Status	Constraints
1.1.0	affected	<=1.1.6
1.2.0	affected	<=1.2.13
2.0.0	affected	<=2.0.10
7.0.0	affected	<=7.0.7
7.2.0	affected	<=7.2.1

Remediation

Vendor solution

Please upgrade to FortiProxy version 7.2.2 or above Please upgrade to FortiProxy version 7.0.8 or above Please upgrade to FortiProxy version 2.0.11 or above Please upgrade to FortiOS version 7.2.3 or above Please upgrade to FortiOS version 7.0.9 or above

Weaknesses (2)

CWE-113

CWE-74